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Full vulnerability report · 2025
CVE-2025-38192High confidence

net: clear the dst when changing skb protocol

Linux · Linux

Official source article: Siemens SSA-019113 ↗. Check the applicable product and release in the original source.

7.8HighCVSS 3.1
Recommended action
Patch only the product branches with a verified fix

High technical severity; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 31 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Fix availability varies by product
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityHighOperational priority:Medium, lowered one band.downgradedsince 8 Sep 2026

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • Exploitation requires an existing local or physical foothold with privileges.
  • EPSS is 0.19% for the current model date.

Compensating controls

  • Validate the affected product branch and deploy the verified fixed release.
  • Restrict local access and enforce least privilege on affected hosts.
  • Monitor vendor guidance and exploitation sources for a material change.

Verification

  1. Confirm that the asset runs Linux Linux and falls inside the recorded affected range.
  2. Verify the installed build against the product-specific fixed version after deployment.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: As exposure requiresRemediation target: Within 365 days

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Cross-source reconciliation

Remediation availability differs by product scope

Verified remediation exists for at least one product or source, but 31 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Distribution package intelligence

Release-specific package status

Debian, ubuntu findings are scoped to the named distribution, release and source package. An absent finding does not mean a package is unaffected.

25 package states
Package result overrides the generic status

BlackTree has verified remediation for at least one product or source, but the relevant distribution still reports no fixed package for 21 affected package states shown here. Treat those rows as affected with no fix until that distribution publishes a fixed version.

Repository candidate not checked

A published vendor fix does not prove that a matching update is enabled and installable on a particular asset. Confirm the local package candidate before scheduling remediation.

Distribution releaseSource packageVendor stateFixed versionEvidence
Debian trixietrixie · sourcelinuxVendor fix publishedDebian records a fixed source-package version for this release.6.12.35-1Debian Security Tracker ↗Source updated 6 Oct 2026
Debian bookwormbookworm · sourcelinuxVendor fix publishedDebian records a fixed source-package version for this release.6.1.170-1Debian Security Tracker ↗Source updated 6 Oct 2026
Debian forkyforky · sourcelinuxVendor fix publishedDebian records a fixed source-package version for this release.6.12.35-1Debian Security Tracker ↗Source updated 6 Oct 2026
Debian sidsid · sourcelinuxVendor fix publishedDebian records a fixed source-package version for this release.6.12.35-1Debian Security Tracker ↗Source updated 6 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinuxAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-awsAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-azureAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-azure-fdeAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-azure-nvidiaAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-gcpAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-gkeAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-gkeopAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-ibmAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-intelAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-lowlatencyAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-nvidiaAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-nvidia-lowlatencyAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-nvidia-tegraAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-oem-6.11Affected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-oracleAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-raspiAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-raspi-realtimeAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-realtimeAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-riscvAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-xilinxAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Direct vendor intelligence

Authoritative vendor CSAF and VEX advisories

Structured product status and remediation from the issuing vendor. Product-state explanations are always visible; large lists can be searched or downloaded.

2 current
SSA-019113 · CSAF 2.0 · revision 2 · interimSiemens ProductCERTSSA-019113: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1.6
5 known affected

The vendor explicitly identifies these products as affected by this CVE.

  • SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) >= V3.1.6
  • SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) >= V3.1.6
  • SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) >= V3.1.6
  • SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) >= V3.1.6
  • SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) >= V3.1.6
Summary
In the Linux kernel, the following vulnerability has been resolved: net: clear the dst when changing skb protocol A not-so-careful NAT46 BPF program can crash the kernel if it indiscriminately flips ingress packets from v4 to v6: BUG: kernel NULL pointer dereference, address: 0000000000000000 ip6_rcv_core (net/ipv6/ip6_input.c:190:20) ipv6_rcv (net/ipv6/ip6_input.c:306:8) process_backlog (net/core/dev.c:6186:4) napi_poll (net/core/dev.c:6906:9) net_rx_action (net/core/dev.c:7028:13) do_softirq (kernel/softirq.c:462:3) netif_rx (net/core/dev.c:5326:3) dev_loopback_xmit (net/core/dev.c:4015:2) ip_mc_finish_output (net/ipv4/ip_output.c:363:8) NF_HOOK (./include/linux/netfilter.h:314:9) ip_mc_output (net/ipv4/ip_output.c:400:5) dst_output (./include/net/dst.h:459:9) ip_local_out (net/ipv4/ip_output.c:130:9) ip_send_skb (net/ipv4/ip_output.c:1496:8) udp_send_skb (net/ipv4/udp.c:1040:8) udp_sendmsg (net/ipv4/udp.c:1328:10) The output interface has a 4->6 program attached at ingress. We try to loop the multicast skb back to the sending socket. Ingress BPF runs as part of netif_rx(), pushes a valid v6 hdr and changes skb->protocol to v6. We enter ip6_rcv_core which tries to use skb_dst(). But the dst is still an IPv4 one left after IPv4 mcast output. Clear the dst in all BPF helpers which change the protocol. Try to preserve metadata dsts, those may carry non-routing metadata.
Remediation
Limit access to the interactive shell of the additional GNU/Linux subssytem to trusted personnel only.
SSA-082556 · CSAF 2.0 · revision 7 · interimSiemens ProductCERTSSA-082556: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1.5
5 known affected

The vendor explicitly identifies these products as affected by this CVE.

  • SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) >= V3.1.5
  • SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) >= V3.1.5
  • SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) >= V3.1.5
  • SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) >= V3.1.5
  • SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) >= V3.1.5
Summary
In the Linux kernel, the following vulnerability has been resolved: net: clear the dst when changing skb protocol A not-so-careful NAT46 BPF program can crash the kernel if it indiscriminately flips ingress packets from v4 to v6: BUG: kernel NULL pointer dereference, address: 0000000000000000 ip6_rcv_core (net/ipv6/ip6_input.c:190:20) ipv6_rcv (net/ipv6/ip6_input.c:306:8) process_backlog (net/core/dev.c:6186:4) napi_poll (net/core/dev.c:6906:9) net_rx_action (net/core/dev.c:7028:13) do_softirq (kernel/softirq.c:462:3) netif_rx (net/core/dev.c:5326:3) dev_loopback_xmit (net/core/dev.c:4015:2) ip_mc_finish_output (net/ipv4/ip_output.c:363:8) NF_HOOK (./include/linux/netfilter.h:314:9) ip_mc_output (net/ipv4/ip_output.c:400:5) dst_output (./include/net/dst.h:459:9) ip_local_out (net/ipv4/ip_output.c:130:9) ip_send_skb (net/ipv4/ip_output.c:1496:8) udp_send_skb (net/ipv4/udp.c:1040:8) udp_sendmsg (net/ipv4/udp.c:1328:10) The output interface has a 4->6 program attached at ingress. We try to loop the multicast skb back to the sending socket. Ingress BPF runs as part of netif_rx(), pushes a valid v6 hdr and changes skb->protocol to v6. We enter ip6_rcv_core which tries to use skb_dst(). But the dst is still an IPv4 one left after IPv4 mcast output. Clear the dst in all BPF helpers which change the protocol. Try to preserve metadata dsts, those may carry non-routing metadata.
Remediation
Limit access to the interactive shell of the additional GNU/Linux subssytem to trusted personnel only.
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2025-20064

No EUVD known-exploited evidence

In the Linux kernel, the following vulnerability has been resolved: net: clear the dst when changing skb protocol A not-so-careful NAT46 BPF program can crash the kernel if it indiscriminately flips ingress packets from v4 to v6: BUG: kernel NULL pointer dereference, address: 0000000000000000 ip6_rcv_core (net/ipv6/ip6_input.c:190:20) ipv6_rcv (net/ipv6/ip6_input.c:306:8) process_backlog (net/core/dev.c:6186:4) napi_poll (net/core/dev.c:6906:9) net_rx_action (net/core/dev.c:7028:13) do_softirq (kernel/softirq.c:462:3) netif_rx (net/core/dev.c:5326:3) dev_loopback_xmit (net/core/dev.c:4015:2) ip_mc_finish_output (net/ipv4/ip_output.c:363:8) NF_HOOK (./include/linux/netfilter.h:314:9) ip_mc_output (net/ipv4/ip_output.c:400:5) dst_output (./include/net/dst.h:459:9) ip_local_out (net/ipv4/ip_output.c:130:9) ip_send_skb (net/ipv4/ip_output.c:1496:8) udp_send_skb (net/ipv4/udp.c:1040:8) udp_sendmsg (net/ipv4/udp.c:1328:10) The output interface has a 4->6 program attached at ingress. We try to loop the multicast skb back to the sending socket. Ingress BPF runs as part of netif_rx(), pushes a valid v6 hdr and changes skb->protocol to v6. We enter ip6_rcv_core which tries to use skb_dst(). But the dst is still an IPv4 one left after IPv4 mcast output. Clear the dst in all BPF helpers which change the protocol. Try to preserve metadata dsts, those may carry non-routing metadata.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
7.8 · CVSS 3.1
Advisory evidence
No linked advisory details stored yet
Recommended actionPatch only the product branches with a verified fix

High technical severity; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 31 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Fix availability varies by product
01

What, why and how

In the Linux kernel, the following vulnerability has been resolved: net: clear the dst when changing skb protocol A not-so-careful NAT46 BPF program can crash the kernel if it indiscriminately flips ingress packets from v4 to v6: BUG: kernel NULL pointer dereference, address: 0000000000000000 ip6_rcv_core (net/ipv6/ip6_input.c:190:20) ipv6_rcv (net/ipv6/ip6_input.c:306:8) process_backlog (net/core/dev.c:6186:4) napi_poll (net/core/dev.c:6906:9) net_rx_action (net/core/dev.c:7028:13) do_softirq (kernel/softirq.c:462:3) netif_rx (net/core/dev.c:5326:3) dev_loopback_xmit (net/core/dev.c:4015:2) ip_mc_finish_output (net/ipv4/ip_output.c:363:8) NF_HOOK (./include/linux/netfilter.h:314:9) ip_mc_output (net/ipv4/ip_output.c:400:5) dst_output (./include/net/dst.h:459:9) ip_local_out (net/ipv4/ip_output.c:130:9) ip_send_skb (net/ipv4/ip_output.c:1496:8) udp_send_skb (net/ipv4/udp.c:1040:8) udp_sendmsg (net/ipv4/udp.c:1328:10) The output interface has a 4->6 program attached at ingress. We try to loop the multicast skb back to the sending socket. Ingress BPF runs as part of netif_rx(), pushes a valid v6 hdr and changes skb->protocol to v6. We enter ip6_rcv_core which tries to use skb_dst(). But the dst is still an IPv4 one left after IPv4 mcast output. Clear the dst in all BPF helpers which change the protocol. Try to preserve metadata dsts, those may carry non-routing metadata.

What

In the Linux kernel, the following vulnerability has been resolved: net: clear the dst when changing skb protocol A not-so-careful NAT46 BPF program can crash the kernel if it indiscriminately flips ingress packets from v4 to v6: BUG: kernel NULL pointer dereference, address: 0000000000000000 ip6_rcv_core (net/ipv6/ip6_input.c:190:20) ipv6_rcv (net/ipv6/ip6_input.c:306:8) process_backlog (net/core/dev.c:6186:4) napi_poll (net/core/dev.c:6906:9) net_rx_action (net/core/dev.c:7028:13) do_softirq (kernel/softirq.c:462:3) netif_rx (net/core/dev.c:5326:3) dev_loopback_xmit (net/core/dev.c:4015:2) ip_mc_finish_output (net/ipv4/ip_output.c:363:8) NF_HOOK (./include/linux/netfilter.h:314:9) ip_mc_output (net/ipv4/ip_output.c:400:5) dst_output (./include/net/dst.h:459:9) ip_local_out (net/ipv4/ip_output.c:130:9) ip_send_skb (net/ipv4/ip_output.c:1496:8) udp_send_skb (net/ipv4/udp.c:1040:8) udp_sendmsg (net/ipv4/udp.c:1328:10) The output interface has a 4->6 program attached at ingress. We try to loop the multicast skb back to the sending socket. Ingress BPF runs as part of netif_rx(), pushes a valid v6 hdr and changes skb->protocol to v6. We enter ip6_rcv_core which tries to use skb_dst(). But the dst is still an IPv4 one left after IPv4 mcast output. Clear the dst in all BPF helpers which change the protocol. Try to preserve metadata dsts, those may carry non-routing metadata.

Why

The product dereferences a pointer that it expects to be valid but is NULL.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may disrupt the affected service.

What

In the Linux kernel, the following vulnerability has been resolved: net: clear the dst when changing skb protocol A not-so-careful NAT46 BPF program can crash the kernel if it indiscriminately flips ingress packets from v4 to v6: BUG: kernel NULL pointer dereference, address: 0000000000000000 ip6_rcv_core (net/ipv6/ip6_input.c:190:20) ipv6_rcv (net/ipv6/ip6_input.c:306:8) process_backlog (net/core/dev.c:6186:4) napi_poll (net/core/dev.c:6906:9) net_rx_action (net/core/dev.c:7028:13) do_softirq (kernel/softirq.c:462:3) netif_rx (net/core/dev.c:5326:3) dev_loopback_xmit (net/core/dev.c:4015:2) ip_mc_finish_output (net/ipv4/ip_output.c:363:8) NF_HOOK (./include/linux/netfilter.h:314:9) ip_mc_output (net/ipv4/ip_output.c:400:5) dst_output (./include/net/dst.h:459:9) ip_local_out (net/ipv4/ip_output.c:130:9) ip_send_skb (net/ipv4/ip_output.c:1496:8) udp_send_skb (net/ipv4/udp.c:1040:8) udp_sendmsg (net/ipv4/udp.c:1328:10) The output interface has a 4->6 program attached at ingress. We try to loop the multicast skb back to the sending socket. Ingress BPF runs as part of netif_rx(), pushes a valid v6 hdr and changes skb->protocol to v6. We enter ip6_rcv_core which tries to use skb_dst(). But the dst is still an IPv4 one left after IPv4 mcast output. Clear the dst in all BPF helpers which change the protocol. Try to preserve metadata dsts, those may carry non-routing metadata.

Why

The product dereferences a pointer that it expects to be valid but is NULL.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may disrupt the affected service.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
local access → NULL Pointer Dereference → disrupt the affected service
Attack surface
Local
Privileges required
Low: a basic authenticated account is required
User interaction
None
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-476 ↗

CWE-476: NULL Pointer Dereference. The product dereferences a pointer that it expects to be valid but is NULL.

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVLocalAttack vector: The attacker needs local access to the vulnerable system.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRLowPrivileges required: The attacker needs basic user-level privileges.UINoneUser interaction: No action by another user is required.SUnchangedScope: The security impact remains within the vulnerable component's authority.CHighConfidentiality impact: A successful attack can cause a major loss.IHighIntegrity impact: A successful attack can cause a major loss.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
The issue can support a local privilege or sandbox boundary transition; normal system utilities may then be available in the gained context.
Denial of serviceCWE-476
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

ENISA EUVD · EUVD-2025-20064Official EUVD mapping

In the Linux kernel, the following vulnerability has been resolved: net: clear the dst when changing skb protocol A not-so-careful NAT46 BPF program can crash the kernel if it indiscriminately flips ingress packets from v4 to v6: BUG: kernel NULL pointer dereference, address: 0000000000000000 ip6_rcv_core (net/ipv6/ip6_input.c:190:20) ipv6_rcv (net/ipv6/ip6_input.c:306:8) process_backlog (net/core/dev.c:6186:4) napi_poll (net/core/dev.c:6906:9) net_rx_action (net/core/dev.c:7028:13) do_softirq (kernel/softirq.c:462:3) netif_rx (net/core/dev.c:5326:3) dev_loopback_xmit (net/core/dev.c:4015:2) ip_mc_finish_output (net/ipv4/ip_output.c:363:8) NF_HOOK (./include/linux/netfilter.h:314:9) ip_mc_output (net/ipv4/ip_output.c:400:5) dst_output (./include/net/dst.h:459:9) ip_local_out (net/ipv4/ip_output.c:130:9) ip_send_skb (net/ipv4/ip_output.c:1496:8) udp_send_skb (net/ipv4/udp.c:1040:8) udp_sendmsg (net/ipv4/udp.c:1328:10) The output interface has a 4->6 program attached at ingress. We try to loop the multicast skb back to the sending socket. Ingress BPF runs as part of netif_rx(), pushes a valid v6 hdr and changes skb->protocol to v6. We enter ip6_rcv_core which tries to use skb_dst(). But the dst is still an IPv4 one left after IPv4 mcast output. Clear the dst in all BPF helpers which change the protocol. Try to preserve metadata dsts, those may carry non-routing metadata.

Official EUVD record ↗
BSI · German · WID-SEC-2025-1465Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen oder nicht näher spezifizierte Auswirkungen zu erzielen.

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-1229Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-21712 Référence CVE CVE-2025-21739 https://www.cve.org/CVERecord?id=CVE-2025-21739 Référence CVE CVE-2025-21863 https://www.cve.org/CVERecord?id=CVE-2025-21863 Référence CVE CVE-2025-22107 https://www.cve.org/CVERecord?id=CVE-2025-22107 Référence CVE CVE-2025-23141 https://www.cve.org/CVERecord?id=CVE-2025-23141 Référence CVE CVE-2025-27558 https://www.cve.org/CVERecord?id=CVE-2025-27558 Référence CVE CVE-2025-37786 https://www.cve.org/CVERecord?id=CVE-2025-37786 Référence CVE CVE-2025-38006 https://www.cve.org/CVERecord?id=CVE-2025-38006 Référence CVE CVE-2025-38105 https://www.cve.org/CVERecord?id=CVE-2025-38105 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38250 https://www.cve.org/CVERecord?id=CVE-2025-38250 Référence CVE CVE-2025-38562 https://www.cve.org/CVERecord?id=CVE-2025-38562 Référence CVE CVE-2025-38626 https://www.cve.org/CVERecord?id=CVE-2025-38626 Référence CVE CVE-2025-38659 https://www.cve.org/CVERecord?id=CVE-2025-38659 Référence CVE CVE-2025-38710 https://www.cve.org/CVERecord?id=CVE-2025-38710 Référence CVE CVE-2025-39748 https://www.cve.org/CVERecord?id=CVE-2025-39748 Référence CVE CVE-2025-39764 https://www.cve.org/CVERecord?id=CVE-2025-39764 Référence CVE CVE-2025-40005 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-1093Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-21712 Référence CVE CVE-2025-21739 https://www.cve.org/CVERecord?id=CVE-2025-21739 Référence CVE CVE-2025-21863 https://www.cve.org/CVERecord?id=CVE-2025-21863 Référence CVE CVE-2025-22107 https://www.cve.org/CVERecord?id=CVE-2025-22107 Référence CVE CVE-2025-23141 https://www.cve.org/CVERecord?id=CVE-2025-23141 Référence CVE CVE-2025-27558 https://www.cve.org/CVERecord?id=CVE-2025-27558 Référence CVE CVE-2025-37786 https://www.cve.org/CVERecord?id=CVE-2025-37786 Référence CVE CVE-2025-38006 https://www.cve.org/CVERecord?id=CVE-2025-38006 Référence CVE CVE-2025-38105 https://www.cve.org/CVERecord?id=CVE-2025-38105 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38250 https://www.cve.org/CVERecord?id=CVE-2025-38250 Référence CVE CVE-2025-38562 https://www.cve.org/CVERecord?id=CVE-2025-38562 Référence CVE CVE-2025-38626 https://www.cve.org/CVERecord?id=CVE-2025-38626 Référence CVE CVE-2025-38659 https://www.cve.org/CVERecord?id=CVE-2025-38659 Référence CVE CVE-2025-38710 https://www.cve.org/CVERecord?id=CVE-2025-38710 Référence CVE CVE-2025-39748 https://www.cve.org/CVERecord?id=CVE-2025-39748 Référence CVE CVE-2025-39764 https://www.cve.org/CVERecord?id=CVE-2025-39764 Référence CVE CVE-2025-40005 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0985Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2024-56727 Référence CVE CVE-2025-21712 https://www.cve.org/CVERecord?id=CVE-2025-21712 Référence CVE CVE-2025-21739 https://www.cve.org/CVERecord?id=CVE-2025-21739 Référence CVE CVE-2025-21863 https://www.cve.org/CVERecord?id=CVE-2025-21863 Référence CVE CVE-2025-22107 https://www.cve.org/CVERecord?id=CVE-2025-22107 Référence CVE CVE-2025-23141 https://www.cve.org/CVERecord?id=CVE-2025-23141 Référence CVE CVE-2025-37786 https://www.cve.org/CVERecord?id=CVE-2025-37786 Référence CVE CVE-2025-38006 https://www.cve.org/CVERecord?id=CVE-2025-38006 Référence CVE CVE-2025-38105 https://www.cve.org/CVERecord?id=CVE-2025-38105 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38250 https://www.cve.org/CVERecord?id=CVE-2025-38250 Référence CVE CVE-2025-38562 https://www.cve.org/CVERecord?id=CVE-2025-38562 Référence CVE CVE-2025-38626 https://www.cve.org/CVERecord?id=CVE-2025-38626 Référence CVE CVE-2025-38659 https://www.cve.org/CVERecord?id=CVE-2025-38659 Référence CVE CVE-2025-38710 https://www.cve.org/CVERecord?id=CVE-2025-38710 Référence CVE CVE-2025-39748 https://www.cve.org/CVERecord?id=CVE-2025-39748 Référence CVE CVE-2025-39764 https://www.cve.org/CVERecord?id=CVE-2025-39764 Référence CVE CVE-2025-40005 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0954Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-22107 Référence CVE CVE-2025-22116 https://www.cve.org/CVERecord?id=CVE-2025-22116 Référence CVE CVE-2025-23141 https://www.cve.org/CVERecord?id=CVE-2025-23141 Référence CVE CVE-2025-37778 https://www.cve.org/CVERecord?id=CVE-2025-37778 Référence CVE CVE-2025-37786 https://www.cve.org/CVERecord?id=CVE-2025-37786 Référence CVE CVE-2025-37822 https://www.cve.org/CVERecord?id=CVE-2025-37822 Référence CVE CVE-2025-37924 https://www.cve.org/CVERecord?id=CVE-2025-37924 Référence CVE CVE-2025-38006 https://www.cve.org/CVERecord?id=CVE-2025-38006 Référence CVE CVE-2025-38105 https://www.cve.org/CVERecord?id=CVE-2025-38105 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38201 https://www.cve.org/CVERecord?id=CVE-2025-38201 Référence CVE CVE-2025-38250 https://www.cve.org/CVERecord?id=CVE-2025-38250 Référence CVE CVE-2025-38426 https://www.cve.org/CVERecord?id=CVE-2025-38426 Référence CVE CVE-2025-38562 https://www.cve.org/CVERecord?id=CVE-2025-38562 Référence CVE CVE-2025-38626 https://www.cve.org/CVERecord?id=CVE-2025-38626 Référence CVE CVE-2025-38659 https://www.cve.org/CVERecord?id=CVE-2025-38659 Référence CVE CVE-2025-38710 https://www.cve.org/CVERecord?id=CVE-2025-38710 Référence CVE CVE-2025-39748 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0926Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-21712 Référence CVE CVE-2025-21739 https://www.cve.org/CVERecord?id=CVE-2025-21739 Référence CVE CVE-2025-21863 https://www.cve.org/CVERecord?id=CVE-2025-21863 Référence CVE CVE-2025-22107 https://www.cve.org/CVERecord?id=CVE-2025-22107 Référence CVE CVE-2025-22116 https://www.cve.org/CVERecord?id=CVE-2025-22116 Référence CVE CVE-2025-23141 https://www.cve.org/CVERecord?id=CVE-2025-23141 Référence CVE CVE-2025-37786 https://www.cve.org/CVERecord?id=CVE-2025-37786 Référence CVE CVE-2025-38006 https://www.cve.org/CVERecord?id=CVE-2025-38006 Référence CVE CVE-2025-38105 https://www.cve.org/CVERecord?id=CVE-2025-38105 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38250 https://www.cve.org/CVERecord?id=CVE-2025-38250 Référence CVE CVE-2025-38426 https://www.cve.org/CVERecord?id=CVE-2025-38426 Référence CVE CVE-2025-38562 https://www.cve.org/CVERecord?id=CVE-2025-38562 Référence CVE CVE-2025-38626 https://www.cve.org/CVERecord?id=CVE-2025-38626 Référence CVE CVE-2025-38659 https://www.cve.org/CVERecord?id=CVE-2025-38659 Référence CVE CVE-2025-38710 https://www.cve.org/CVERecord?id=CVE-2025-38710 Référence CVE CVE-2025-39748 https://www.cve.org/CVERecord?id=CVE-2025-39748 Référence CVE CVE-2025-39764 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0880Multiples vulnérabilités dans les produits Siemens

25-21795, CVE-2025-21796, CVE-2025-21802, CVE-2025-21814, CVE-2025-21846, CVE-2025-21853, CVE-2025-21861, CVE-2025-21864, CVE-2025-21867, CVE-2025-21875, CVE-2025-21887, CVE-2025-21913, CVE-2025-21919, CVE-2025-21925, CVE-2025-21926, CVE-2025-21938, CVE-2025-21959, CVE-2025-21999, CVE-2025-22005, CVE-2025-22015, CVE-2025-22055, CVE-2025-22056, CVE-2025-22060, CVE-2025-22083, CVE-2025-22090, CVE-2025-22095, CVE-2025-22107, CVE-2025-22111, CVE-2025-22121, CVE-2025-23136, CVE-2025-23143, CVE-2025-37785, CVE-2025-37909, CVE-2025-37917, CVE-2025-37945, CVE-2025-37959, CVE-2025-37964, CVE-2025-37972, CVE-2025-37980, CVE-2025-38125, CVE-2025-38162, CVE-2025-38192, CVE-2025-38201, CVE-2025-38232, CVE-2025-38322, CVE-2025-38591, CVE-2025-38614, CVE-2025-38681, CVE-2025-38704, CVE-2025-38721, CVE-2025-38725, CVE-2025-38727, CVE-2025-38732, CVE-2025-38736, CVE-2025-39681, CVE-2025-39691, CVE-2025-39721, CVE-2025-39748, CVE-2025-39756, CVE-2025-39764, CVE-2025-39770, CVE-2025-39773, CVE-2025-39782, CVE-2025-39795, CVE-2025-39826, CVE-2025-39827, CVE-2025-39845, CVE-2025-39866, CVE-2025-39871, CVE-2025-39931, CVE-2025-39953, CVE-2025-39955, CVE-2025-39964, CVE-2025-39977, CVE-2025-39978, CVE-2025-39980, CVE-2025-40022, CVE-2025-40070, CVE-2025-40078, CVE-2025-40080, CVE-2025-40105, CVE-2025-40135, CVE-2025

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0547Multiples vulnérabilités dans le noyau Linux de Debian LTS

d?id=CVE-2024-49998 Référence CVE CVE-2024-50298 https://www.cve.org/CVERecord?id=CVE-2024-50298 Référence CVE CVE-2024-56719 https://www.cve.org/CVERecord?id=CVE-2024-56719 Référence CVE CVE-2025-21676 https://www.cve.org/CVERecord?id=CVE-2025-21676 Référence CVE CVE-2025-21682 https://www.cve.org/CVERecord?id=CVE-2025-21682 Référence CVE CVE-2025-37945 https://www.cve.org/CVERecord?id=CVE-2025-37945 Référence CVE CVE-2025-37980 https://www.cve.org/CVERecord?id=CVE-2025-37980 Référence CVE CVE-2025-38105 https://www.cve.org/CVERecord?id=CVE-2025-38105 Référence CVE CVE-2025-38162 https://www.cve.org/CVERecord?id=CVE-2025-38162 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38250 https://www.cve.org/CVERecord?id=CVE-2025-38250 Référence CVE CVE-2025-38303 https://www.cve.org/CVERecord?id=CVE-2025-38303 Référence CVE CVE-2025-38436 https://www.cve.org/CVERecord?id=CVE-2025-38436 Référence CVE CVE-2025-38626 https://www.cve.org/CVERecord?id=CVE-2025-38626 Référence CVE CVE-2025-38659 https://www.cve.org/CVERecord?id=CVE-2025-38659 Référence CVE CVE-2025-38704 https://www.cve.org/CVERecord?id=CVE-2025-38704 Référence CVE CVE-2025-39748 https://www.cve.org/CVERecord?id=CVE-2025-39748 Référence CVE CVE-2025-39764 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0548Multiples vulnérabilités dans le noyau Linux de Debian

d?id=CVE-2025-21676 Référence CVE CVE-2025-21682 https://www.cve.org/CVERecord?id=CVE-2025-21682 Référence CVE CVE-2025-21709 https://www.cve.org/CVERecord?id=CVE-2025-21709 Référence CVE CVE-2025-22116 https://www.cve.org/CVERecord?id=CVE-2025-22116 Référence CVE CVE-2025-22117 https://www.cve.org/CVERecord?id=CVE-2025-22117 Référence CVE CVE-2025-37945 https://www.cve.org/CVERecord?id=CVE-2025-37945 Référence CVE CVE-2025-37980 https://www.cve.org/CVERecord?id=CVE-2025-37980 Référence CVE CVE-2025-38105 https://www.cve.org/CVERecord?id=CVE-2025-38105 Référence CVE CVE-2025-38162 https://www.cve.org/CVERecord?id=CVE-2025-38162 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38250 https://www.cve.org/CVERecord?id=CVE-2025-38250 Référence CVE CVE-2025-38303 https://www.cve.org/CVERecord?id=CVE-2025-38303 Référence CVE CVE-2025-38426 https://www.cve.org/CVERecord?id=CVE-2025-38426 Référence CVE CVE-2025-38436 https://www.cve.org/CVERecord?id=CVE-2025-38436 Référence CVE CVE-2025-38626 https://www.cve.org/CVERecord?id=CVE-2025-38626 Référence CVE CVE-2025-38627 https://www.cve.org/CVERecord?id=CVE-2025-38627 Référence CVE CVE-2025-38659 https://www.cve.org/CVERecord?id=CVE-2025-38659 Référence CVE CVE-2025-38704 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0326Multiples vulnérabilités dans les produits VMware

d?id=CVE-2025-38127 Référence CVE CVE-2025-38129 https://www.cve.org/CVERecord?id=CVE-2025-38129 Référence CVE CVE-2025-38131 https://www.cve.org/CVERecord?id=CVE-2025-38131 Référence CVE CVE-2025-38140 https://www.cve.org/CVERecord?id=CVE-2025-38140 Référence CVE CVE-2025-38162 https://www.cve.org/CVERecord?id=CVE-2025-38162 Référence CVE CVE-2025-38166 https://www.cve.org/CVERecord?id=CVE-2025-38166 Référence CVE CVE-2025-38168 https://www.cve.org/CVERecord?id=CVE-2025-38168 Référence CVE CVE-2025-38189 https://www.cve.org/CVERecord?id=CVE-2025-38189 Référence CVE CVE-2025-38191 https://www.cve.org/CVERecord?id=CVE-2025-38191 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38198 https://www.cve.org/CVERecord?id=CVE-2025-38198 Référence CVE CVE-2025-38199 https://www.cve.org/CVERecord?id=CVE-2025-38199 Référence CVE CVE-2025-38201 https://www.cve.org/CVERecord?id=CVE-2025-38201 Référence CVE CVE-2025-38202 https://www.cve.org/CVERecord?id=CVE-2025-38202 Référence CVE CVE-2025-38205 https://www.cve.org/CVERecord?id=CVE-2025-38205 Référence CVE CVE-2025-38207 https://www.cve.org/CVERecord?id=CVE-2025-38207 Référence CVE CVE-2025-38208 https://www.cve.org/CVERecord?id=CVE-2025-38208 Référence CVE CVE-2025-38215 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0316Multiples vulnérabilités dans les produits VMware

d?id=CVE-2025-38127 Référence CVE CVE-2025-38129 https://www.cve.org/CVERecord?id=CVE-2025-38129 Référence CVE CVE-2025-38131 https://www.cve.org/CVERecord?id=CVE-2025-38131 Référence CVE CVE-2025-38140 https://www.cve.org/CVERecord?id=CVE-2025-38140 Référence CVE CVE-2025-38162 https://www.cve.org/CVERecord?id=CVE-2025-38162 Référence CVE CVE-2025-38166 https://www.cve.org/CVERecord?id=CVE-2025-38166 Référence CVE CVE-2025-38168 https://www.cve.org/CVERecord?id=CVE-2025-38168 Référence CVE CVE-2025-38189 https://www.cve.org/CVERecord?id=CVE-2025-38189 Référence CVE CVE-2025-38191 https://www.cve.org/CVERecord?id=CVE-2025-38191 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38198 https://www.cve.org/CVERecord?id=CVE-2025-38198 Référence CVE CVE-2025-38199 https://www.cve.org/CVERecord?id=CVE-2025-38199 Référence CVE CVE-2025-38201 https://www.cve.org/CVERecord?id=CVE-2025-38201 Référence CVE CVE-2025-38202 https://www.cve.org/CVERecord?id=CVE-2025-38202 Référence CVE CVE-2025-38205 https://www.cve.org/CVERecord?id=CVE-2025-38205 Référence CVE CVE-2025-38207 https://www.cve.org/CVERecord?id=CVE-2025-38207 Référence CVE CVE-2025-38208 https://www.cve.org/CVERecord?id=CVE-2025-38208 Référence CVE CVE-2025-38215 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0246Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-38174 Référence CVE CVE-2025-38180 https://www.cve.org/CVERecord?id=CVE-2025-38180 Référence CVE CVE-2025-38181 https://www.cve.org/CVERecord?id=CVE-2025-38181 Référence CVE CVE-2025-38182 https://www.cve.org/CVERecord?id=CVE-2025-38182 Référence CVE CVE-2025-38183 https://www.cve.org/CVERecord?id=CVE-2025-38183 Référence CVE CVE-2025-38184 https://www.cve.org/CVERecord?id=CVE-2025-38184 Référence CVE CVE-2025-38185 https://www.cve.org/CVERecord?id=CVE-2025-38185 Référence CVE CVE-2025-38190 https://www.cve.org/CVERecord?id=CVE-2025-38190 Référence CVE CVE-2025-38191 https://www.cve.org/CVERecord?id=CVE-2025-38191 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38193 https://www.cve.org/CVERecord?id=CVE-2025-38193 Référence CVE CVE-2025-38194 https://www.cve.org/CVERecord?id=CVE-2025-38194 Référence CVE CVE-2025-38197 https://www.cve.org/CVERecord?id=CVE-2025-38197 Référence CVE CVE-2025-38198 https://www.cve.org/CVERecord?id=CVE-2025-38198 Référence CVE CVE-2025-38200 https://www.cve.org/CVERecord?id=CVE-2025-38200 Référence CVE CVE-2025-38202 https://www.cve.org/CVERecord?id=CVE-2025-38202 Référence CVE CVE-2025-38208 https://www.cve.org/CVERecord?id=CVE-2025-38208 Référence CVE CVE-2025-38210 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0227Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-38174 Référence CVE CVE-2025-38180 https://www.cve.org/CVERecord?id=CVE-2025-38180 Référence CVE CVE-2025-38181 https://www.cve.org/CVERecord?id=CVE-2025-38181 Référence CVE CVE-2025-38182 https://www.cve.org/CVERecord?id=CVE-2025-38182 Référence CVE CVE-2025-38183 https://www.cve.org/CVERecord?id=CVE-2025-38183 Référence CVE CVE-2025-38184 https://www.cve.org/CVERecord?id=CVE-2025-38184 Référence CVE CVE-2025-38185 https://www.cve.org/CVERecord?id=CVE-2025-38185 Référence CVE CVE-2025-38190 https://www.cve.org/CVERecord?id=CVE-2025-38190 Référence CVE CVE-2025-38191 https://www.cve.org/CVERecord?id=CVE-2025-38191 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38193 https://www.cve.org/CVERecord?id=CVE-2025-38193 Référence CVE CVE-2025-38194 https://www.cve.org/CVERecord?id=CVE-2025-38194 Référence CVE CVE-2025-38197 https://www.cve.org/CVERecord?id=CVE-2025-38197 Référence CVE CVE-2025-38198 https://www.cve.org/CVERecord?id=CVE-2025-38198 Référence CVE CVE-2025-38200 https://www.cve.org/CVERecord?id=CVE-2025-38200 Référence CVE CVE-2025-38202 https://www.cve.org/CVERecord?id=CVE-2025-38202 Référence CVE CVE-2025-38208 https://www.cve.org/CVERecord?id=CVE-2025-38208 Référence CVE CVE-2025-38210 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0218Multiples vulnérabilités dans les produits VMware

d?id=CVE-2025-38174 Référence CVE CVE-2025-38180 https://www.cve.org/CVERecord?id=CVE-2025-38180 Référence CVE CVE-2025-38181 https://www.cve.org/CVERecord?id=CVE-2025-38181 Référence CVE CVE-2025-38182 https://www.cve.org/CVERecord?id=CVE-2025-38182 Référence CVE CVE-2025-38183 https://www.cve.org/CVERecord?id=CVE-2025-38183 Référence CVE CVE-2025-38184 https://www.cve.org/CVERecord?id=CVE-2025-38184 Référence CVE CVE-2025-38185 https://www.cve.org/CVERecord?id=CVE-2025-38185 Référence CVE CVE-2025-38190 https://www.cve.org/CVERecord?id=CVE-2025-38190 Référence CVE CVE-2025-38191 https://www.cve.org/CVERecord?id=CVE-2025-38191 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38193 https://www.cve.org/CVERecord?id=CVE-2025-38193 Référence CVE CVE-2025-38194 https://www.cve.org/CVERecord?id=CVE-2025-38194 Référence CVE CVE-2025-38197 https://www.cve.org/CVERecord?id=CVE-2025-38197 Référence CVE CVE-2025-38198 https://www.cve.org/CVERecord?id=CVE-2025-38198 Référence CVE CVE-2025-38200 https://www.cve.org/CVERecord?id=CVE-2025-38200 Référence CVE CVE-2025-38202 https://www.cve.org/CVERecord?id=CVE-2025-38202 Référence CVE CVE-2025-38208 https://www.cve.org/CVERecord?id=CVE-2025-38208 Référence CVE CVE-2025-38210 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0194Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-38174 Référence CVE CVE-2025-38180 https://www.cve.org/CVERecord?id=CVE-2025-38180 Référence CVE CVE-2025-38181 https://www.cve.org/CVERecord?id=CVE-2025-38181 Référence CVE CVE-2025-38182 https://www.cve.org/CVERecord?id=CVE-2025-38182 Référence CVE CVE-2025-38183 https://www.cve.org/CVERecord?id=CVE-2025-38183 Référence CVE CVE-2025-38184 https://www.cve.org/CVERecord?id=CVE-2025-38184 Référence CVE CVE-2025-38185 https://www.cve.org/CVERecord?id=CVE-2025-38185 Référence CVE CVE-2025-38190 https://www.cve.org/CVERecord?id=CVE-2025-38190 Référence CVE CVE-2025-38191 https://www.cve.org/CVERecord?id=CVE-2025-38191 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38193 https://www.cve.org/CVERecord?id=CVE-2025-38193 Référence CVE CVE-2025-38194 https://www.cve.org/CVERecord?id=CVE-2025-38194 Référence CVE CVE-2025-38197 https://www.cve.org/CVERecord?id=CVE-2025-38197 Référence CVE CVE-2025-38198 https://www.cve.org/CVERecord?id=CVE-2025-38198 Référence CVE CVE-2025-38200 https://www.cve.org/CVERecord?id=CVE-2025-38200 Référence CVE CVE-2025-38202 https://www.cve.org/CVERecord?id=CVE-2025-38202 Référence CVE CVE-2025-38208 https://www.cve.org/CVERecord?id=CVE-2025-38208 Référence CVE CVE-2025-38210 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0169Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-38174 Référence CVE CVE-2025-38180 https://www.cve.org/CVERecord?id=CVE-2025-38180 Référence CVE CVE-2025-38181 https://www.cve.org/CVERecord?id=CVE-2025-38181 Référence CVE CVE-2025-38182 https://www.cve.org/CVERecord?id=CVE-2025-38182 Référence CVE CVE-2025-38183 https://www.cve.org/CVERecord?id=CVE-2025-38183 Référence CVE CVE-2025-38184 https://www.cve.org/CVERecord?id=CVE-2025-38184 Référence CVE CVE-2025-38185 https://www.cve.org/CVERecord?id=CVE-2025-38185 Référence CVE CVE-2025-38190 https://www.cve.org/CVERecord?id=CVE-2025-38190 Référence CVE CVE-2025-38191 https://www.cve.org/CVERecord?id=CVE-2025-38191 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38193 https://www.cve.org/CVERecord?id=CVE-2025-38193 Référence CVE CVE-2025-38194 https://www.cve.org/CVERecord?id=CVE-2025-38194 Référence CVE CVE-2025-38197 https://www.cve.org/CVERecord?id=CVE-2025-38197 Référence CVE CVE-2025-38198 https://www.cve.org/CVERecord?id=CVE-2025-38198 Référence CVE CVE-2025-38200 https://www.cve.org/CVERecord?id=CVE-2025-38200 Référence CVE CVE-2025-38202 https://www.cve.org/CVERecord?id=CVE-2025-38202 Référence CVE CVE-2025-38208 https://www.cve.org/CVERecord?id=CVE-2025-38208 Référence CVE CVE-2025-38210 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2025-AVI-0977Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-38182 Référence CVE CVE-2025-38183 https://www.cve.org/CVERecord?id=CVE-2025-38183 Référence CVE CVE-2025-38184 https://www.cve.org/CVERecord?id=CVE-2025-38184 Référence CVE CVE-2025-38185 https://www.cve.org/CVERecord?id=CVE-2025-38185 Référence CVE CVE-2025-38186 https://www.cve.org/CVERecord?id=CVE-2025-38186 Référence CVE CVE-2025-38188 https://www.cve.org/CVERecord?id=CVE-2025-38188 Référence CVE CVE-2025-38189 https://www.cve.org/CVERecord?id=CVE-2025-38189 Référence CVE CVE-2025-38190 https://www.cve.org/CVERecord?id=CVE-2025-38190 Référence CVE CVE-2025-38191 https://www.cve.org/CVERecord?id=CVE-2025-38191 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38193 https://www.cve.org/CVERecord?id=CVE-2025-38193 Référence CVE CVE-2025-38194 https://www.cve.org/CVERecord?id=CVE-2025-38194 Référence CVE CVE-2025-38196 https://www.cve.org/CVERecord?id=CVE-2025-38196 Référence CVE CVE-2025-38197 https://www.cve.org/CVERecord?id=CVE-2025-38197 Référence CVE CVE-2025-38198 https://www.cve.org/CVERecord?id=CVE-2025-38198 Référence CVE CVE-2025-38199 https://www.cve.org/CVERecord?id=CVE-2025-38199 Référence CVE CVE-2025-38200 https://www.cve.org/CVERecord?id=CVE-2025-38200 Référence CVE CVE-2025-38201 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2025-AVI-0949Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-38179 Référence CVE CVE-2025-38181 https://www.cve.org/CVERecord?id=CVE-2025-38181 Référence CVE CVE-2025-38182 https://www.cve.org/CVERecord?id=CVE-2025-38182 Référence CVE CVE-2025-38183 https://www.cve.org/CVERecord?id=CVE-2025-38183 Référence CVE CVE-2025-38184 https://www.cve.org/CVERecord?id=CVE-2025-38184 Référence CVE CVE-2025-38186 https://www.cve.org/CVERecord?id=CVE-2025-38186 Référence CVE CVE-2025-38188 https://www.cve.org/CVERecord?id=CVE-2025-38188 Référence CVE CVE-2025-38189 https://www.cve.org/CVERecord?id=CVE-2025-38189 Référence CVE CVE-2025-38191 https://www.cve.org/CVERecord?id=CVE-2025-38191 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38194 https://www.cve.org/CVERecord?id=CVE-2025-38194 Référence CVE CVE-2025-38196 https://www.cve.org/CVERecord?id=CVE-2025-38196 Référence CVE CVE-2025-38197 https://www.cve.org/CVERecord?id=CVE-2025-38197 Référence CVE CVE-2025-38198 https://www.cve.org/CVERecord?id=CVE-2025-38198 Référence CVE CVE-2025-38199 https://www.cve.org/CVERecord?id=CVE-2025-38199 Référence CVE CVE-2025-38200 https://www.cve.org/CVERecord?id=CVE-2025-38200 Référence CVE CVE-2025-38201 https://www.cve.org/CVERecord?id=CVE-2025-38201 Référence CVE CVE-2025-38202 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2025-AVI-0922Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-38179 Référence CVE CVE-2025-38181 https://www.cve.org/CVERecord?id=CVE-2025-38181 Référence CVE CVE-2025-38182 https://www.cve.org/CVERecord?id=CVE-2025-38182 Référence CVE CVE-2025-38183 https://www.cve.org/CVERecord?id=CVE-2025-38183 Référence CVE CVE-2025-38184 https://www.cve.org/CVERecord?id=CVE-2025-38184 Référence CVE CVE-2025-38186 https://www.cve.org/CVERecord?id=CVE-2025-38186 Référence CVE CVE-2025-38188 https://www.cve.org/CVERecord?id=CVE-2025-38188 Référence CVE CVE-2025-38189 https://www.cve.org/CVERecord?id=CVE-2025-38189 Référence CVE CVE-2025-38191 https://www.cve.org/CVERecord?id=CVE-2025-38191 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38194 https://www.cve.org/CVERecord?id=CVE-2025-38194 Référence CVE CVE-2025-38196 https://www.cve.org/CVERecord?id=CVE-2025-38196 Référence CVE CVE-2025-38197 https://www.cve.org/CVERecord?id=CVE-2025-38197 Référence CVE CVE-2025-38198 https://www.cve.org/CVERecord?id=CVE-2025-38198 Référence CVE CVE-2025-38199 https://www.cve.org/CVERecord?id=CVE-2025-38199 Référence CVE CVE-2025-38200 https://www.cve.org/CVERecord?id=CVE-2025-38200 Référence CVE CVE-2025-38201 https://www.cve.org/CVERecord?id=CVE-2025-38201 Référence CVE CVE-2025-38202 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2025-AVI-0759Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2025-38173 Référence CVE CVE-2025-38174 https://www.cve.org/CVERecord?id=CVE-2025-38174 Référence CVE CVE-2025-38177 https://www.cve.org/CVERecord?id=CVE-2025-38177 Référence CVE CVE-2025-38180 https://www.cve.org/CVERecord?id=CVE-2025-38180 Référence CVE CVE-2025-38181 https://www.cve.org/CVERecord?id=CVE-2025-38181 Référence CVE CVE-2025-38182 https://www.cve.org/CVERecord?id=CVE-2025-38182 Référence CVE CVE-2025-38183 https://www.cve.org/CVERecord?id=CVE-2025-38183 Référence CVE CVE-2025-38187 https://www.cve.org/CVERecord?id=CVE-2025-38187 Référence CVE CVE-2025-38188 https://www.cve.org/CVERecord?id=CVE-2025-38188 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38193 https://www.cve.org/CVERecord?id=CVE-2025-38193 Référence CVE CVE-2025-38194 https://www.cve.org/CVERecord?id=CVE-2025-38194 Référence CVE CVE-2025-38197 https://www.cve.org/CVERecord?id=CVE-2025-38197 Référence CVE CVE-2025-38198 https://www.cve.org/CVERecord?id=CVE-2025-38198 Référence CVE CVE-2025-38200 https://www.cve.org/CVERecord?id=CVE-2025-38200 Référence CVE CVE-2025-38202 https://www.cve.org/CVERecord?id=CVE-2025-38202 Référence CVE CVE-2025-38203 https://www.cve.org/CVERecord?id=CVE-2025-38203 Référence CVE CVE-2025-38204 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2025-AVI-0745Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2025-38177 Référence CVE CVE-2025-38180 https://www.cve.org/CVERecord?id=CVE-2025-38180 Référence CVE CVE-2025-38181 https://www.cve.org/CVERecord?id=CVE-2025-38181 Référence CVE CVE-2025-38182 https://www.cve.org/CVERecord?id=CVE-2025-38182 Référence CVE CVE-2025-38183 https://www.cve.org/CVERecord?id=CVE-2025-38183 Référence CVE CVE-2025-38186 https://www.cve.org/CVERecord?id=CVE-2025-38186 Référence CVE CVE-2025-38187 https://www.cve.org/CVERecord?id=CVE-2025-38187 Référence CVE CVE-2025-38188 https://www.cve.org/CVERecord?id=CVE-2025-38188 Référence CVE CVE-2025-38189 https://www.cve.org/CVERecord?id=CVE-2025-38189 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38193 https://www.cve.org/CVERecord?id=CVE-2025-38193 Référence CVE CVE-2025-38194 https://www.cve.org/CVERecord?id=CVE-2025-38194 Référence CVE CVE-2025-38197 https://www.cve.org/CVERecord?id=CVE-2025-38197 Référence CVE CVE-2025-38198 https://www.cve.org/CVERecord?id=CVE-2025-38198 Référence CVE CVE-2025-38200 https://www.cve.org/CVERecord?id=CVE-2025-38200 Référence CVE CVE-2025-38202 https://www.cve.org/CVERecord?id=CVE-2025-38202 Référence CVE CVE-2025-38203 https://www.cve.org/CVERecord?id=CVE-2025-38203 Référence CVE CVE-2025-38204 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2025-AVI-0723Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2025-38177 Référence CVE CVE-2025-38180 https://www.cve.org/CVERecord?id=CVE-2025-38180 Référence CVE CVE-2025-38181 https://www.cve.org/CVERecord?id=CVE-2025-38181 Référence CVE CVE-2025-38182 https://www.cve.org/CVERecord?id=CVE-2025-38182 Référence CVE CVE-2025-38183 https://www.cve.org/CVERecord?id=CVE-2025-38183 Référence CVE CVE-2025-38186 https://www.cve.org/CVERecord?id=CVE-2025-38186 Référence CVE CVE-2025-38187 https://www.cve.org/CVERecord?id=CVE-2025-38187 Référence CVE CVE-2025-38188 https://www.cve.org/CVERecord?id=CVE-2025-38188 Référence CVE CVE-2025-38189 https://www.cve.org/CVERecord?id=CVE-2025-38189 Référence CVE CVE-2025-38192 https://www.cve.org/CVERecord?id=CVE-2025-38192 Référence CVE CVE-2025-38193 https://www.cve.org/CVERecord?id=CVE-2025-38193 Référence CVE CVE-2025-38194 https://www.cve.org/CVERecord?id=CVE-2025-38194 Référence CVE CVE-2025-38197 https://www.cve.org/CVERecord?id=CVE-2025-38197 Référence CVE CVE-2025-38198 https://www.cve.org/CVERecord?id=CVE-2025-38198 Référence CVE CVE-2025-38200 https://www.cve.org/CVERecord?id=CVE-2025-38200 Référence CVE CVE-2025-38202 https://www.cve.org/CVERecord?id=CVE-2025-38202 Référence CVE CVE-2025-38203 https://www.cve.org/CVERecord?id=CVE-2025-38203 Référence CVE CVE-2025-38204 https://www.cve.org/CVERecord?id=

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2025-020205Linux の Linux Kernel における NULL ポインタデリファレンスに関する脆弱性

Linux の Linux Kernel には、NULL ポインタデリファレンスに関する脆弱性が存在します。

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Fix availability varies by product
Affected
Fixed
Linux: < 4.8, 5.15.209 ≤ 5.15.*, 6.1.167 ≤ 6.1.*, 6.6.95 ≤ 6.6.*, 6.12.35 ≤ 6.12.*, 6.15.4 ≤ 6.15.*, 6.16 ≤ *
Action
Use the product-specific evidence above. Patch only products with a verified fixed release, and keep every affected or under-investigation state without a matching fix in the remediation queue.
Workaround
Limit access to the interactive shell of the additional GNU/Linux subssytem to trusted personnel only.
04

Evidence and provenance

Published 4 Jul 2025 · Last source change 8 Sept 2026, 08:41 UTC · CWE-476 · NULL Pointer Dereference

CVE recordCVE.org · 5.2
CVSS sourceCNA
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2025-20064
Product sourceVendor CSAF · Siemens ProductCERT
Remediation sourceVendor CSAF · Siemens ProductCERT
CWE sourceNIST NVD
NVD statusNVD modified after enrichment

Core structured fields are present and their contributing authorities are shown above.

Material change intelligence

What changed after publication

View recent updates ↗
  1. Affected versionsThe structured affected or fixed version information changed.
    Before
    6578171a7ff0c31dc73258f93da7407510abf085 < a046f183d21ab5ace5a96ece4cf9873a42f003a7; 6578171a7ff0c31dc73258f93da7407510abf085 < 98b1d8dc9a3170b2614f1e8c93854e75cdd83980; 6578171a7ff0c31dc73258f93da7407510abf085 < bfa4d86e130a09f67607482e988313430e38f6c4; 6578171a7ff0c31dc73258f93da7407510abf085 < 2a3ad42a57b43145839f2f233fb562247658a6d9; 6578171a7ff0c31dc73258f93da7407510abf085 < e9994e7b9f7bbb882d13c8191731649249150d21; 6578171a7ff0c31dc73258f93da7407510abf085 < ba9db6f907ac02215e30128770f85fbd7db2fcf9; 4.8 · Fixed: < 4.8; 5.15.209 ≤ 5.15.*; 6.1.167 ≤ 6.1.*; 6.6.95 ≤ 6.6.*; 6.12.35 ≤ 6.12.*; 6.15.4 ≤ 6.15.*; 6.16 ≤ *
    After
    Linux: 6578171a7ff0c31dc73258f93da7407510abf085 < a046f183d21ab5ace5a96ece4cf9873a42f003a7, 6578171a7ff0c31dc73258f93da7407510abf085 < 98b1d8dc9a3170b2614f1e8c93854e75cdd83980, 6578171a7ff0c31dc73258f93da7407510abf085 < bfa4d86e130a09f67607482e988313430e38f6c4, 6578171a7ff0c31dc73258f93da7407510abf085 < 2a3ad42a57b43145839f2f233fb562247658a6d9, 6578171a7ff0c31dc73258f93da7407510abf085 < e9994e7b9f7bbb882d13c8191731649249150d21, 6578171a7ff0c31dc73258f93da7407510abf085 < ba9db6f907ac02215e30128770f85fbd7db2fcf9, 4.8 · Fixed: Linux: < 4.8, 5.15.209 ≤ 5.15.*, 6.1.167 ≤ 6.1.*, 6.6.95 ≤ 6.6.*, 6.12.35 ≤ 6.12.*, 6.15.4 ≤ 6.15.*, 6.16 ≤ *
    CNA ↗
Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2025-38192 · cve.blacktree.nl