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Full vulnerability report · 2025
CVE-2025-21791High confidence

vrf: use RCU protection in l3mdev_l3_out()

Linux · Linux

7.8HighCVSS 3.1
Recommended action
Within 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Patch available
Distribution package intelligence

Ubuntu vendor package status

Canonical’s release and source-package findings are shown separately from local repository availability.

20 package states
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.

Ubuntu releaseSource packageVendor stateFixed versionEvidence
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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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 record ↗Source updated 11 Sept 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.

1 current
CVE-2025-21791 · CSAF 2.0 · revision 3 · finalRed Hat Product Securitykernel: vrf: use RCU protection in l3mdev_l3_out()
112 known affected

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

  • kernel as a component of Red Hat Enterprise Linux 6
  • kernel-abi-whitelists as a component of Red Hat Enterprise Linux 6
  • kernel-bootwrapper as a component of Red Hat Enterprise Linux 6
  • kernel-debug as a component of Red Hat Enterprise Linux 6
  • kernel-debug-devel as a component of Red Hat Enterprise Linux 6
  • kernel-devel as a component of Red Hat Enterprise Linux 6
  • kernel-doc as a component of Red Hat Enterprise Linux 6
  • kernel-firmware as a component of Red Hat Enterprise Linux 6
  • kernel-headers as a component of Red Hat Enterprise Linux 6
  • kernel-kdump as a component of Red Hat Enterprise Linux 6
  • kernel-kdump-devel as a component of Red Hat Enterprise Linux 6
  • kernel.src as a component of Red Hat Enterprise Linux 6
Summary
A use-after-free vulnerability was found in the Linux kernel. l3mdev_l3_out() can be called without RCU being held, causing damage to the availability of the system.
Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect.
Optional official sources

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

Select the national-authority views to include. The exact source language is shown on each matched advisory. Your choice is remembered on this device and encoded in the shareable URL.

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-2025-5134

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

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
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionWithin 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Patch available
01

What, why and how

In the Linux kernel, the following vulnerability has been resolved: vrf: use RCU protection in l3mdev_l3_out() l3mdev_l3_out() can be called without RCU being held: raw_sendmsg() ip_push_pending_frames() ip_send_skb() ip_local_out() __ip_local_out() l3mdev_ip_out() Add rcu_read_lock() / rcu_read_unlock() pair to avoid a potential UAF.

What

In the Linux kernel, the following vulnerability has been resolved: vrf: use RCU protection in l3mdev_l3_out() l3mdev_l3_out() can be called without RCU being held: raw_sendmsg() ip_push_pending_frames() ip_send_skb() ip_local_out() __ip_local_out() l3mdev_ip_out() Add rcu_read_lock() / rcu_read_unlock() pair to avoid a potential UAF.

Why

The program can continue using memory after it has been released, producing unsafe and attacker-influenceable behaviour.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

What

In the Linux kernel, the following vulnerability has been resolved: vrf: use RCU protection in l3mdev_l3_out() l3mdev_l3_out() can be called without RCU being held: raw_sendmsg() ip_push_pending_frames() ip_send_skb() ip_local_out() __ip_local_out() l3mdev_ip_out() Add rcu_read_lock() / rcu_read_unlock() pair to avoid a potential UAF.

Why

The program can continue using memory after it has been released, producing unsafe and attacker-influenceable behaviour.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

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 → Use After Free → cause the confidentiality, integrity or availability impact described by the vendor
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-416

CWE-416: Use After Free. The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory belongs to the code that operates on the new pointer.

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.
CWE-416
A

Official authority intelligence

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

BSI · German · WID-SEC-2026-2253IBM Security Verify Access: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in IBM Security Verify Access ausnutzen, um erweiterte Berechtigungen zu erlangen, beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren, sensible Informationen offenzulegen und andere, nicht näher bezeichnete Angriffe durchzuführen.

Official advisory
BSI · German · WID-SEC-2025-0453Linux Kernel: Mehrere Schwachstellen

Ein entfernter Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.

Official advisory
BSI · German · WID-SEC-2025-1439Dell Secure Connect Gateway: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff

Ein Angreifer kann mehrere Schwachstellen in Dell Secure Connect Gateway ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0168Multiples vulnérabilités dans le noyau Linux de Red Hat

d?id=CVE-2023-53192 Référence CVE CVE-2023-53539 https://www.cve.org/CVERecord?id=CVE-2023-53539 Référence CVE CVE-2023-53581 https://www.cve.org/CVERecord?id=CVE-2023-53581 Référence CVE CVE-2023-53673 https://www.cve.org/CVERecord?id=CVE-2023-53673 Référence CVE CVE-2023-53751 https://www.cve.org/CVERecord?id=CVE-2023-53751 Référence CVE CVE-2023-53833 https://www.cve.org/CVERecord?id=CVE-2023-53833 Référence CVE CVE-2024-54456 https://www.cve.org/CVERecord?id=CVE-2024-54456 Référence CVE CVE-2025-21647 https://www.cve.org/CVERecord?id=CVE-2025-21647 Référence CVE CVE-2025-21786 https://www.cve.org/CVERecord?id=CVE-2025-21786 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-37789 https://www.cve.org/CVERecord?id=CVE-2025-37789 Référence CVE CVE-2025-37819 https://www.cve.org/CVERecord?id=CVE-2025-37819 Référence CVE CVE-2025-38022 https://www.cve.org/CVERecord?id=CVE-2025-38022 Référence CVE CVE-2025-38024 https://www.cve.org/CVERecord?id=CVE-2025-38024 Référence CVE CVE-2025-38051 https://www.cve.org/CVERecord?id=CVE-2025-38051 Référence CVE CVE-2025-38403 https://www.cve.org/CVERecord?id=CVE-2025-38403 Référence CVE CVE-2025-38415 https://www.cve.org/CVERecord?id=CVE-2025-38415 Référence CVE CVE-2025-38459 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-1135Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2024-56664 Référence CVE CVE-2024-56767 https://www.cve.org/CVERecord?id=CVE-2024-56767 Référence CVE CVE-2024-58083 https://www.cve.org/CVERecord?id=CVE-2024-58083 Référence CVE CVE-2024-58092 https://www.cve.org/CVERecord?id=CVE-2024-58092 Référence CVE CVE-2025-21715 https://www.cve.org/CVERecord?id=CVE-2025-21715 Référence CVE CVE-2025-21722 https://www.cve.org/CVERecord?id=CVE-2025-21722 Référence CVE CVE-2025-21727 https://www.cve.org/CVERecord?id=CVE-2025-21727 Référence CVE CVE-2025-21729 https://www.cve.org/CVERecord?id=CVE-2025-21729 Référence CVE CVE-2025-21761 https://www.cve.org/CVERecord?id=CVE-2025-21761 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21811 https://www.cve.org/CVERecord?id=CVE-2025-21811 Référence CVE CVE-2025-21855 https://www.cve.org/CVERecord?id=CVE-2025-21855 Référence CVE CVE-2025-22018 https://www.cve.org/CVERecord?id=CVE-2025-22018 Référence CVE CVE-2025-22019 https://www.cve.org/CVERecord?id=CVE-2025-22019 Référence CVE CVE-2025-22020 https://www.cve.org/CVERecord?id=CVE-2025-22020 Référence CVE CVE-2025-22021 https://www.cve.org/CVERecord?id=CVE-2025-22021 Référence CVE CVE-2025-22025 https://www.cve.org/CVERecord?id=CVE-2025-22025 Référence CVE CVE-2025-22027 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-1075Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2024-53217 Référence CVE CVE-2024-56596 https://www.cve.org/CVERecord?id=CVE-2024-56596 Référence CVE CVE-2024-56664 https://www.cve.org/CVERecord?id=CVE-2024-56664 Référence CVE CVE-2024-58083 https://www.cve.org/CVERecord?id=CVE-2024-58083 Référence CVE CVE-2025-21715 https://www.cve.org/CVERecord?id=CVE-2025-21715 Référence CVE CVE-2025-21722 https://www.cve.org/CVERecord?id=CVE-2025-21722 Référence CVE CVE-2025-21727 https://www.cve.org/CVERecord?id=CVE-2025-21727 Référence CVE CVE-2025-21729 https://www.cve.org/CVERecord?id=CVE-2025-21729 Référence CVE CVE-2025-21761 https://www.cve.org/CVERecord?id=CVE-2025-21761 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21811 https://www.cve.org/CVERecord?id=CVE-2025-21811 Référence CVE CVE-2025-21855 https://www.cve.org/CVERecord?id=CVE-2025-21855 Référence CVE CVE-2025-37838 https://www.cve.org/CVERecord?id=CVE-2025-37838 Référence CVE CVE-2025-37925 https://www.cve.org/CVERecord?id=CVE-2025-37925 Référence CVE CVE-2025-37958 https://www.cve.org/CVERecord?id=CVE-2025-37958 Référence CVE CVE-2025-37968 https://www.cve.org/CVERecord?id=CVE-2025-37968 Référence CVE CVE-2025-38095 https://www.cve.org/CVERecord?id=CVE-2025-38095 Référence CVE CVE-2025-38118 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-1032Multiples vulnérabilités dans le noyau Linux de SUSE

ord?id=CVE-2024-56605 Référence CVE CVE-2024-56650 https://www.cve.org/CVERecord?id=CVE-2024-56650 Référence CVE CVE-2024-56664 https://www.cve.org/CVERecord?id=CVE-2024-56664 Référence CVE CVE-2024-57893 https://www.cve.org/CVERecord?id=CVE-2024-57893 Référence CVE CVE-2024-57996 https://www.cve.org/CVERecord?id=CVE-2024-57996 Référence CVE CVE-2024-58240 https://www.cve.org/CVERecord?id=CVE-2024-58240 Référence CVE CVE-2024-8805 https://www.cve.org/CVERecord?id=CVE-2024-8805 Référence CVE CVE-2025-21702 https://www.cve.org/CVERecord?id=CVE-2025-21702 Référence CVE CVE-2025-21772 https://www.cve.org/CVERecord?id=CVE-2025-21772 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21971 https://www.cve.org/CVERecord?id=CVE-2025-21971 Référence CVE CVE-2025-37752 https://www.cve.org/CVERecord?id=CVE-2025-37752 Référence CVE CVE-2025-37797 https://www.cve.org/CVERecord?id=CVE-2025-37797 Référence CVE CVE-2025-37885 https://www.cve.org/CVERecord?id=CVE-2025-37885 Référence CVE CVE-2025-38000 https://www.cve.org/CVERecord?id=CVE-2025-38000 Référence CVE CVE-2025-38008 https://www.cve.org/CVERecord?id=CVE-2025-38008 Référence CVE CVE-2025-38079 https://www.cve.org/CVERecord?id=CVE-2025-38079 Référence CVE CVE-2025-38083 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0969Multiples vulnérabilités dans les produits VMware

d?id=CVE-2025-21780 Référence CVE CVE-2025-21781 https://www.cve.org/CVERecord?id=CVE-2025-21781 Référence CVE CVE-2025-21782 https://www.cve.org/CVERecord?id=CVE-2025-21782 Référence CVE CVE-2025-21783 https://www.cve.org/CVERecord?id=CVE-2025-21783 Référence CVE CVE-2025-21784 https://www.cve.org/CVERecord?id=CVE-2025-21784 Référence CVE CVE-2025-21785 https://www.cve.org/CVERecord?id=CVE-2025-21785 Référence CVE CVE-2025-21786 https://www.cve.org/CVERecord?id=CVE-2025-21786 Référence CVE CVE-2025-21787 https://www.cve.org/CVERecord?id=CVE-2025-21787 Référence CVE CVE-2025-21790 https://www.cve.org/CVERecord?id=CVE-2025-21790 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21792 https://www.cve.org/CVERecord?id=CVE-2025-21792 Référence CVE CVE-2025-21793 https://www.cve.org/CVERecord?id=CVE-2025-21793 Référence CVE CVE-2025-21795 https://www.cve.org/CVERecord?id=CVE-2025-21795 Référence CVE CVE-2025-21796 https://www.cve.org/CVERecord?id=CVE-2025-21796 Référence CVE CVE-2025-21798 https://www.cve.org/CVERecord?id=CVE-2025-21798 Référence CVE CVE-2025-21799 https://www.cve.org/CVERecord?id=CVE-2025-21799 Référence CVE CVE-2025-21801 https://www.cve.org/CVERecord?id=CVE-2025-21801 Référence CVE CVE-2025-21802 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0895Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2024-53093 Référence CVE CVE-2024-53125 https://www.cve.org/CVERecord?id=CVE-2024-53125 Référence CVE CVE-2024-53168 https://www.cve.org/CVERecord?id=CVE-2024-53168 Référence CVE CVE-2024-53194 https://www.cve.org/CVERecord?id=CVE-2024-53194 Référence CVE CVE-2024-58090 https://www.cve.org/CVERecord?id=CVE-2024-58090 Référence CVE CVE-2024-58238 https://www.cve.org/CVERecord?id=CVE-2024-58238 Référence CVE CVE-2024-58239 https://www.cve.org/CVERecord?id=CVE-2024-58239 Référence CVE CVE-2024-58240 https://www.cve.org/CVERecord?id=CVE-2024-58240 Référence CVE CVE-2025-21692 https://www.cve.org/CVERecord?id=CVE-2025-21692 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21969 https://www.cve.org/CVERecord?id=CVE-2025-21969 Référence CVE CVE-2025-22022 https://www.cve.org/CVERecord?id=CVE-2025-22022 Référence CVE CVE-2025-22023 https://www.cve.org/CVERecord?id=CVE-2025-22023 Référence CVE CVE-2025-37738 https://www.cve.org/CVERecord?id=CVE-2025-37738 Référence CVE CVE-2025-37885 https://www.cve.org/CVERecord?id=CVE-2025-37885 Référence CVE CVE-2025-37958 https://www.cve.org/CVERecord?id=CVE-2025-37958 Référence CVE CVE-2025-38006 https://www.cve.org/CVERecord?id=CVE-2025-38006 Référence CVE CVE-2025-38011 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0860Multiples vulnérabilités dans le noyau Linux de SUSE

De multiples vulnérabilités ont été découvertes dans le noyau Linux de SUSE. Elles permettent à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur.

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0758Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-21780 Référence CVE CVE-2025-21781 https://www.cve.org/CVERecord?id=CVE-2025-21781 Référence CVE CVE-2025-21782 https://www.cve.org/CVERecord?id=CVE-2025-21782 Référence CVE CVE-2025-21783 https://www.cve.org/CVERecord?id=CVE-2025-21783 Référence CVE CVE-2025-21784 https://www.cve.org/CVERecord?id=CVE-2025-21784 Référence CVE CVE-2025-21785 https://www.cve.org/CVERecord?id=CVE-2025-21785 Référence CVE CVE-2025-21786 https://www.cve.org/CVERecord?id=CVE-2025-21786 Référence CVE CVE-2025-21787 https://www.cve.org/CVERecord?id=CVE-2025-21787 Référence CVE CVE-2025-21790 https://www.cve.org/CVERecord?id=CVE-2025-21790 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21792 https://www.cve.org/CVERecord?id=CVE-2025-21792 Référence CVE CVE-2025-21793 https://www.cve.org/CVERecord?id=CVE-2025-21793 Référence CVE CVE-2025-21795 https://www.cve.org/CVERecord?id=CVE-2025-21795 Référence CVE CVE-2025-21796 https://www.cve.org/CVERecord?id=CVE-2025-21796 Référence CVE CVE-2025-21798 https://www.cve.org/CVERecord?id=CVE-2025-21798 Référence CVE CVE-2025-21799 https://www.cve.org/CVERecord?id=CVE-2025-21799 Référence CVE CVE-2025-21801 https://www.cve.org/CVERecord?id=CVE-2025-21801 Référence CVE CVE-2025-21802 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0743Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-21780 Référence CVE CVE-2025-21781 https://www.cve.org/CVERecord?id=CVE-2025-21781 Référence CVE CVE-2025-21782 https://www.cve.org/CVERecord?id=CVE-2025-21782 Référence CVE CVE-2025-21783 https://www.cve.org/CVERecord?id=CVE-2025-21783 Référence CVE CVE-2025-21784 https://www.cve.org/CVERecord?id=CVE-2025-21784 Référence CVE CVE-2025-21785 https://www.cve.org/CVERecord?id=CVE-2025-21785 Référence CVE CVE-2025-21786 https://www.cve.org/CVERecord?id=CVE-2025-21786 Référence CVE CVE-2025-21787 https://www.cve.org/CVERecord?id=CVE-2025-21787 Référence CVE CVE-2025-21790 https://www.cve.org/CVERecord?id=CVE-2025-21790 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21792 https://www.cve.org/CVERecord?id=CVE-2025-21792 Référence CVE CVE-2025-21793 https://www.cve.org/CVERecord?id=CVE-2025-21793 Référence CVE CVE-2025-21795 https://www.cve.org/CVERecord?id=CVE-2025-21795 Référence CVE CVE-2025-21796 https://www.cve.org/CVERecord?id=CVE-2025-21796 Référence CVE CVE-2025-21821 https://www.cve.org/CVERecord?id=CVE-2025-21821 Référence CVE CVE-2025-21823 https://www.cve.org/CVERecord?id=CVE-2025-21823 Référence CVE CVE-2025-21835 https://www.cve.org/CVERecord?id=CVE-2025-21835 Référence CVE CVE-2025-21836 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0721Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-21780 Référence CVE CVE-2025-21781 https://www.cve.org/CVERecord?id=CVE-2025-21781 Référence CVE CVE-2025-21782 https://www.cve.org/CVERecord?id=CVE-2025-21782 Référence CVE CVE-2025-21783 https://www.cve.org/CVERecord?id=CVE-2025-21783 Référence CVE CVE-2025-21784 https://www.cve.org/CVERecord?id=CVE-2025-21784 Référence CVE CVE-2025-21785 https://www.cve.org/CVERecord?id=CVE-2025-21785 Référence CVE CVE-2025-21786 https://www.cve.org/CVERecord?id=CVE-2025-21786 Référence CVE CVE-2025-21787 https://www.cve.org/CVERecord?id=CVE-2025-21787 Référence CVE CVE-2025-21790 https://www.cve.org/CVERecord?id=CVE-2025-21790 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21792 https://www.cve.org/CVERecord?id=CVE-2025-21792 Référence CVE CVE-2025-21793 https://www.cve.org/CVERecord?id=CVE-2025-21793 Référence CVE CVE-2025-21795 https://www.cve.org/CVERecord?id=CVE-2025-21795 Référence CVE CVE-2025-21796 https://www.cve.org/CVERecord?id=CVE-2025-21796 Référence CVE CVE-2025-21821 https://www.cve.org/CVERecord?id=CVE-2025-21821 Référence CVE CVE-2025-21823 https://www.cve.org/CVERecord?id=CVE-2025-21823 Référence CVE CVE-2025-21835 https://www.cve.org/CVERecord?id=CVE-2025-21835 Référence CVE CVE-2025-21836 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0605Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-21763 Référence CVE CVE-2025-21764 https://www.cve.org/CVERecord?id=CVE-2025-21764 Référence CVE CVE-2025-21765 https://www.cve.org/CVERecord?id=CVE-2025-21765 Référence CVE CVE-2025-21772 https://www.cve.org/CVERecord?id=CVE-2025-21772 Référence CVE CVE-2025-21776 https://www.cve.org/CVERecord?id=CVE-2025-21776 Référence CVE CVE-2025-21781 https://www.cve.org/CVERecord?id=CVE-2025-21781 Référence CVE CVE-2025-21782 https://www.cve.org/CVERecord?id=CVE-2025-21782 Référence CVE CVE-2025-21785 https://www.cve.org/CVERecord?id=CVE-2025-21785 Référence CVE CVE-2025-21787 https://www.cve.org/CVERecord?id=CVE-2025-21787 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21806 https://www.cve.org/CVERecord?id=CVE-2025-21806 Référence CVE CVE-2025-21811 https://www.cve.org/CVERecord?id=CVE-2025-21811 Référence CVE CVE-2025-21814 https://www.cve.org/CVERecord?id=CVE-2025-21814 Référence CVE CVE-2025-21823 https://www.cve.org/CVERecord?id=CVE-2025-21823 Référence CVE CVE-2025-21835 https://www.cve.org/CVERecord?id=CVE-2025-21835 Référence CVE CVE-2025-21846 https://www.cve.org/CVERecord?id=CVE-2025-21846 Référence CVE CVE-2025-21848 https://www.cve.org/CVERecord?id=CVE-2025-21848 Référence CVE CVE-2025-21858 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0559Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-21766 Référence CVE CVE-2025-21767 https://www.cve.org/CVERecord?id=CVE-2025-21767 Référence CVE CVE-2025-21772 https://www.cve.org/CVERecord?id=CVE-2025-21772 Référence CVE CVE-2025-21776 https://www.cve.org/CVERecord?id=CVE-2025-21776 Référence CVE CVE-2025-21779 https://www.cve.org/CVERecord?id=CVE-2025-21779 Référence CVE CVE-2025-21781 https://www.cve.org/CVERecord?id=CVE-2025-21781 Référence CVE CVE-2025-21782 https://www.cve.org/CVERecord?id=CVE-2025-21782 Référence CVE CVE-2025-21785 https://www.cve.org/CVERecord?id=CVE-2025-21785 Référence CVE CVE-2025-21787 https://www.cve.org/CVERecord?id=CVE-2025-21787 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21795 https://www.cve.org/CVERecord?id=CVE-2025-21795 Référence CVE CVE-2025-21796 https://www.cve.org/CVERecord?id=CVE-2025-21796 Référence CVE CVE-2025-21799 https://www.cve.org/CVERecord?id=CVE-2025-21799 Référence CVE CVE-2025-21802 https://www.cve.org/CVERecord?id=CVE-2025-21802 Référence CVE CVE-2025-21804 https://www.cve.org/CVERecord?id=CVE-2025-21804 Référence CVE CVE-2025-21806 https://www.cve.org/CVERecord?id=CVE-2025-21806 Référence CVE CVE-2025-21811 https://www.cve.org/CVERecord?id=CVE-2025-21811 Référence CVE CVE-2025-21814 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0529Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2025-21762 Référence CVE CVE-2025-21763 https://www.cve.org/CVERecord?id=CVE-2025-21763 Référence CVE CVE-2025-21764 https://www.cve.org/CVERecord?id=CVE-2025-21764 Référence CVE CVE-2025-21765 https://www.cve.org/CVERecord?id=CVE-2025-21765 Référence CVE CVE-2025-21766 https://www.cve.org/CVERecord?id=CVE-2025-21766 Référence CVE CVE-2025-21768 https://www.cve.org/CVERecord?id=CVE-2025-21768 Référence CVE CVE-2025-21772 https://www.cve.org/CVERecord?id=CVE-2025-21772 Référence CVE CVE-2025-21782 https://www.cve.org/CVERecord?id=CVE-2025-21782 Référence CVE CVE-2025-21787 https://www.cve.org/CVERecord?id=CVE-2025-21787 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21792 https://www.cve.org/CVERecord?id=CVE-2025-21792 Référence CVE CVE-2025-21796 https://www.cve.org/CVERecord?id=CVE-2025-21796 Référence CVE CVE-2025-21800 https://www.cve.org/CVERecord?id=CVE-2025-21800 Référence CVE CVE-2025-21806 https://www.cve.org/CVERecord?id=CVE-2025-21806 Référence CVE CVE-2025-21808 https://www.cve.org/CVERecord?id=CVE-2025-21808 Référence CVE CVE-2025-21812 https://www.cve.org/CVERecord?id=CVE-2025-21812 Référence CVE CVE-2025-21814 https://www.cve.org/CVERecord?id=CVE-2025-21814 Référence CVE CVE-2025-21821 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0509Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2025-21776 Référence CVE CVE-2025-21779 https://www.cve.org/CVERecord?id=CVE-2025-21779 Référence CVE CVE-2025-21780 https://www.cve.org/CVERecord?id=CVE-2025-21780 Référence CVE CVE-2025-21781 https://www.cve.org/CVERecord?id=CVE-2025-21781 Référence CVE CVE-2025-21782 https://www.cve.org/CVERecord?id=CVE-2025-21782 Référence CVE CVE-2025-21784 https://www.cve.org/CVERecord?id=CVE-2025-21784 Référence CVE CVE-2025-21785 https://www.cve.org/CVERecord?id=CVE-2025-21785 Référence CVE CVE-2025-21787 https://www.cve.org/CVERecord?id=CVE-2025-21787 Référence CVE CVE-2025-21790 https://www.cve.org/CVERecord?id=CVE-2025-21790 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21792 https://www.cve.org/CVERecord?id=CVE-2025-21792 Référence CVE CVE-2025-21793 https://www.cve.org/CVERecord?id=CVE-2025-21793 Référence CVE CVE-2025-21794 https://www.cve.org/CVERecord?id=CVE-2025-21794 Référence CVE CVE-2025-21795 https://www.cve.org/CVERecord?id=CVE-2025-21795 Référence CVE CVE-2025-21796 https://www.cve.org/CVERecord?id=CVE-2025-21796 Référence CVE CVE-2025-21799 https://www.cve.org/CVERecord?id=CVE-2025-21799 Référence CVE CVE-2025-21802 https://www.cve.org/CVERecord?id=CVE-2025-21802 Référence CVE CVE-2025-21804 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0463Multiples vulnérabilités dans le noyau Linux de Debian LTS

d?id=CVE-2025-21765 Référence CVE CVE-2025-21767 https://www.cve.org/CVERecord?id=CVE-2025-21767 Référence CVE CVE-2025-21772 https://www.cve.org/CVERecord?id=CVE-2025-21772 Référence CVE CVE-2025-21776 https://www.cve.org/CVERecord?id=CVE-2025-21776 Référence CVE CVE-2025-21779 https://www.cve.org/CVERecord?id=CVE-2025-21779 Référence CVE CVE-2025-21781 https://www.cve.org/CVERecord?id=CVE-2025-21781 Référence CVE CVE-2025-21782 https://www.cve.org/CVERecord?id=CVE-2025-21782 Référence CVE CVE-2025-21785 https://www.cve.org/CVERecord?id=CVE-2025-21785 Référence CVE CVE-2025-21787 https://www.cve.org/CVERecord?id=CVE-2025-21787 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21795 https://www.cve.org/CVERecord?id=CVE-2025-21795 Référence CVE CVE-2025-21796 https://www.cve.org/CVERecord?id=CVE-2025-21796 Référence CVE CVE-2025-21799 https://www.cve.org/CVERecord?id=CVE-2025-21799 Référence CVE CVE-2025-21802 https://www.cve.org/CVERecord?id=CVE-2025-21802 Référence CVE CVE-2025-21804 https://www.cve.org/CVERecord?id=CVE-2025-21804 Référence CVE CVE-2025-21806 https://www.cve.org/CVERecord?id=CVE-2025-21806 Référence CVE CVE-2025-21811 https://www.cve.org/CVERecord?id=CVE-2025-21811 Référence CVE CVE-2025-21814 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0449Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2025-21735 Référence CVE CVE-2025-21750 https://www.cve.org/CVERecord?id=CVE-2025-21750 Référence CVE CVE-2025-21755 https://www.cve.org/CVERecord?id=CVE-2025-21755 Référence CVE CVE-2025-21758 https://www.cve.org/CVERecord?id=CVE-2025-21758 Référence CVE CVE-2025-21764 https://www.cve.org/CVERecord?id=CVE-2025-21764 Référence CVE CVE-2025-21768 https://www.cve.org/CVERecord?id=CVE-2025-21768 Référence CVE CVE-2025-21772 https://www.cve.org/CVERecord?id=CVE-2025-21772 Référence CVE CVE-2025-21779 https://www.cve.org/CVERecord?id=CVE-2025-21779 Référence CVE CVE-2025-21785 https://www.cve.org/CVERecord?id=CVE-2025-21785 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21792 https://www.cve.org/CVERecord?id=CVE-2025-21792 Référence CVE CVE-2025-21806 https://www.cve.org/CVERecord?id=CVE-2025-21806 Référence CVE CVE-2025-21808 https://www.cve.org/CVERecord?id=CVE-2025-21808 Référence CVE CVE-2025-21812 https://www.cve.org/CVERecord?id=CVE-2025-21812 Référence CVE CVE-2025-21833 https://www.cve.org/CVERecord?id=CVE-2025-21833 Référence CVE CVE-2025-21836 https://www.cve.org/CVERecord?id=CVE-2025-21836 Référence CVE CVE-2025-21839 https://www.cve.org/CVERecord?id=CVE-2025-21839 Référence CVE CVE-2025-21852 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0336Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2025-21762 Référence CVE CVE-2025-21763 https://www.cve.org/CVERecord?id=CVE-2025-21763 Référence CVE CVE-2025-21765 https://www.cve.org/CVERecord?id=CVE-2025-21765 Référence CVE CVE-2025-21766 https://www.cve.org/CVERecord?id=CVE-2025-21766 Référence CVE CVE-2025-21772 https://www.cve.org/CVERecord?id=CVE-2025-21772 Référence CVE CVE-2025-21776 https://www.cve.org/CVERecord?id=CVE-2025-21776 Référence CVE CVE-2025-21780 https://www.cve.org/CVERecord?id=CVE-2025-21780 Référence CVE CVE-2025-21782 https://www.cve.org/CVERecord?id=CVE-2025-21782 Référence CVE CVE-2025-21785 https://www.cve.org/CVERecord?id=CVE-2025-21785 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21796 https://www.cve.org/CVERecord?id=CVE-2025-21796 Référence CVE CVE-2025-21802 https://www.cve.org/CVERecord?id=CVE-2025-21802 Référence CVE CVE-2025-21821 https://www.cve.org/CVERecord?id=CVE-2025-21821 Référence CVE CVE-2025-21831 https://www.cve.org/CVERecord?id=CVE-2025-21831 Référence CVE CVE-2025-21846 https://www.cve.org/CVERecord?id=CVE-2025-21846 Référence CVE CVE-2025-21848 https://www.cve.org/CVERecord?id=CVE-2025-21848 Référence CVE CVE-2025-21855 https://www.cve.org/CVERecord?id=CVE-2025-21855 Référence CVE CVE-2025-21858 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0307Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2025-21773 Référence CVE CVE-2025-21775 https://www.cve.org/CVERecord?id=CVE-2025-21775 Référence CVE CVE-2025-21776 https://www.cve.org/CVERecord?id=CVE-2025-21776 Référence CVE CVE-2025-21779 https://www.cve.org/CVERecord?id=CVE-2025-21779 Référence CVE CVE-2025-21780 https://www.cve.org/CVERecord?id=CVE-2025-21780 Référence CVE CVE-2025-21781 https://www.cve.org/CVERecord?id=CVE-2025-21781 Référence CVE CVE-2025-21782 https://www.cve.org/CVERecord?id=CVE-2025-21782 Référence CVE CVE-2025-21784 https://www.cve.org/CVERecord?id=CVE-2025-21784 Référence CVE CVE-2025-21785 https://www.cve.org/CVERecord?id=CVE-2025-21785 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21793 https://www.cve.org/CVERecord?id=CVE-2025-21793 Référence CVE CVE-2025-21794 https://www.cve.org/CVERecord?id=CVE-2025-21794 Référence CVE CVE-2025-21796 https://www.cve.org/CVERecord?id=CVE-2025-21796 Référence CVE CVE-2025-21804 https://www.cve.org/CVERecord?id=CVE-2025-21804 Référence CVE CVE-2025-21810 https://www.cve.org/CVERecord?id=CVE-2025-21810 Référence CVE CVE-2025-21815 https://www.cve.org/CVERecord?id=CVE-2025-21815 Référence CVE CVE-2025-21819 https://www.cve.org/CVERecord?id=CVE-2025-21819 Référence CVE CVE-2025-21820 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0277Multiples vulnérabilités dans le noyau Linux de Debian LTS

d?id=CVE-2025-21775 Référence CVE CVE-2025-21776 https://www.cve.org/CVERecord?id=CVE-2025-21776 Référence CVE CVE-2025-21779 https://www.cve.org/CVERecord?id=CVE-2025-21779 Référence CVE CVE-2025-21780 https://www.cve.org/CVERecord?id=CVE-2025-21780 Référence CVE CVE-2025-21781 https://www.cve.org/CVERecord?id=CVE-2025-21781 Référence CVE CVE-2025-21782 https://www.cve.org/CVERecord?id=CVE-2025-21782 Référence CVE CVE-2025-21785 https://www.cve.org/CVERecord?id=CVE-2025-21785 Référence CVE CVE-2025-21787 https://www.cve.org/CVERecord?id=CVE-2025-21787 Référence CVE CVE-2025-21790 https://www.cve.org/CVERecord?id=CVE-2025-21790 Référence CVE CVE-2025-21791 https://www.cve.org/CVERecord?id=CVE-2025-21791 Référence CVE CVE-2025-21792 https://www.cve.org/CVERecord?id=CVE-2025-21792 Référence CVE CVE-2025-21794 https://www.cve.org/CVERecord?id=CVE-2025-21794 Référence CVE CVE-2025-21795 https://www.cve.org/CVERecord?id=CVE-2025-21795 Référence CVE CVE-2025-21796 https://www.cve.org/CVERecord?id=CVE-2025-21796 Référence CVE CVE-2025-21799 https://www.cve.org/CVERecord?id=CVE-2025-21799 Référence CVE CVE-2025-21802 https://www.cve.org/CVERecord?id=CVE-2025-21802 Référence CVE CVE-2025-21804 https://www.cve.org/CVERecord?id=CVE-2025-21804 Référence CVE CVE-2025-21806 https://www.cve.org/CVERecord?id=

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.
Patch available
Affected
kernel as a component of Red Hat Enterprise Linux 6; kernel-abi-whitelists as a component of Red Hat Enterprise Linux 6; kernel-bootwrapper as a component of Red Hat Enterprise Linux 6; kernel-debug as a component of Red Hat Enterprise Linux 6; kernel-debug-devel as a component of Red Hat Enterprise Linux 6; kernel-devel as a component of Red Hat Enterprise Linux 6; kernel-doc as a component of Red Hat Enterprise Linux 6; kernel-firmware as a component of Red Hat Enterprise Linux 6; kernel-headers as a component of Red Hat Enterprise Linux 6; kernel-kdump as a component of Red Hat Enterprise Linux 6; kernel-kdump-devel as a component of Red Hat Enterprise Linux 6; kernel.src as a component of Red Hat Enterprise Linux 6; perf as a component of Red Hat Enterprise Linux 6; python-perf as a component of Red Hat Enterprise Linux 6; bpftool as a component of Red Hat Enterprise Linux 7; kernel as a component of Red Hat Enterprise Linux 7; kernel-abi-whitelists as a component of Red Hat Enterprise Linux 7; kernel-bootwrapper as a component of Red Hat Enterprise Linux 7; kernel-debug as a component of Red Hat Enterprise Linux 7; kernel-debug-devel as a component of Red Hat Enterprise Linux 7; kernel-devel as a component of Red Hat Enterprise Linux 7; kernel-doc as a component of Red Hat Enterprise Linux 7; kernel-headers as a component of Red Hat Enterprise Linux 7; kernel-kdump as a component of Red Hat Enterprise Linux 7; kernel-kdump-devel as a component of Red Hat Enterprise Linux 7; kernel-rt as a component of Red Hat Enterprise Linux 7; kernel-rt-debug as a component of Red Hat Enterprise Linux 7; kernel-rt-debug-devel as a component of Red Hat Enterprise Linux 7; kernel-rt-debug-kvm as a component of Red Hat Enterprise Linux 7; kernel-rt-devel as a component of Red Hat Enterprise Linux 7; and 82 more
Fixed
kernel-64k-debug-debuginfo-0:6.12.0-124.8.1.el10_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-64k-debug-devel-0:6.12.0-124.8.1.el10_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-64k-debug-devel-matched-0:6.12.0-124.8.1.el10_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-64k-debuginfo-0:6.12.0-124.8.1.el10_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-64k-devel-0:6.12.0-124.8.1.el10_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-64k-devel-matched-0:6.12.0-124.8.1.el10_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debug-debuginfo-0:6.12.0-124.8.1.el10_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debug-debuginfo-0:6.12.0-124.8.1.el10_1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debug-debuginfo-0:6.12.0-124.8.1.el10_1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debug-debuginfo-0:6.12.0-124.8.1.el10_1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debug-devel-0:6.12.0-124.8.1.el10_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debug-devel-0:6.12.0-124.8.1.el10_1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debug-devel-0:6.12.0-124.8.1.el10_1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debug-devel-0:6.12.0-124.8.1.el10_1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debug-devel-matched-0:6.12.0-124.8.1.el10_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debug-devel-matched-0:6.12.0-124.8.1.el10_1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debug-devel-matched-0:6.12.0-124.8.1.el10_1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debug-devel-matched-0:6.12.0-124.8.1.el10_1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debuginfo-0:6.12.0-124.8.1.el10_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debuginfo-0:6.12.0-124.8.1.el10_1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debuginfo-0:6.12.0-124.8.1.el10_1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debuginfo-0:6.12.0-124.8.1.el10_1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debuginfo-common-aarch64-0:6.12.0-124.8.1.el10_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debuginfo-common-ppc64le-0:6.12.0-124.8.1.el10_1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debuginfo-common-s390x-0:6.12.0-124.8.1.el10_1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-debuginfo-common-x86_64-0:6.12.0-124.8.1.el10_1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-devel-0:6.12.0-124.8.1.el10_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-devel-0:6.12.0-124.8.1.el10_1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-devel-0:6.12.0-124.8.1.el10_1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); kernel-devel-0:6.12.0-124.8.1.el10_1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); and 887 more
Action
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect.
Workaround
No verified workaround is recorded. Limit untrusted access and use least privilege until authoritative guidance is available.
04

Evidence and provenance

Published 27 Feb 2025 · Last source change 5 Aug 2026, 11:54 UTC · CWE-416 · Use After Free

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-2025-5134
Product sourceVendor CSAF · Red Hat Product Security
Remediation sourceVendor CSAF · Red Hat Product Security
CWE sourceCISA ADP
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 →

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

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-2025-21791 · cve.blacktree.nl