BlackTreeIndependent security intelligence

Full vulnerability report · 2025

CVE-2025-40355High confidence

sysfs: check visibility before changing group attribute ownership

Linux · Linux

…UnscoredAssess manually

Recommended action

Needs assessment

No CVSS base score is available from the CNA, CISA ADP or NIST. Absence of a score is not evidence of low risk; review the vendor advisory, affected exposure and exploit evidence.

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 release	Source package	Vendor state	Fixed version	Evidence
Ubuntu 24.04 LTSnoble · standard archive	`linux`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-aws`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-azure`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-azure-fde`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-azure-nvidia`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-gcp`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-gke`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-gkeop`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-ibm`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-lowlatency`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-nvidia`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-nvidia-lowlatency`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-nvidia-tegra`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-oem-6.11`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-oracle`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-raspi`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-raspi-realtime`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-realtime`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-riscv`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-xilinx`	Affected, 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 feed`	Canonical record ↗Source updated 8 Sept 2026

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-2025-203632

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 actionNeeds assessment

No CVSS base score is available from the CNA, CISA ADP or NIST. Absence of a score is not evidence of low risk; review the vendor advisory, affected exposure and exploit evidence.

Patch available

What, why and how

In the Linux kernel, the following vulnerability has been resolved: sysfs: check visibility before changing group attribute ownership Since commit 0c17270f9b92 ("net: sysfs: Implement is_visible for phys_(port_id, port_name, switch_id)"), __dev_change_net_namespace() can hit WARN_ON() when trying to change owner of a file that isn't visible. See the trace below: WARNING: CPU: 6 PID: 2938 at net/core/dev.c:12410 __dev_change_net_namespace+0xb89/0xc30 CPU: 6 UID: 0 PID: 2938 Comm: incusd Not tainted 6.17.1-1-mainline #1 PREEMPT(full) 4b783b4a638669fb644857f484487d17cb45ed1f Hardware name: Framework Laptop 13 (AMD Ryzen 7040Series)/FRANMDCP07, BIOS 03.07 02/19/2025 RIP: 0010:__dev_change_net_namespace+0xb89/0xc30 [...] Call Trace: <TASK> ? if6_seq_show+0x30/0x50 do_setlink.isra.0+0xc7/0x1270 ? __nla_validate_parse+0x5c/0xcc0 ? security_capable+0x94/0x1a0 rtnl_newlink+0x858/0xc20 ? update_curr+0x8e/0x1c0 ? update_entity_lag+0x71/0x80 ? sched_balance_newidle+0x358/0x450 ? psi_task_switch+0x113/0x2a0 ? __pfx_rtnl_newlink+0x10/0x10 rtnetlink_rcv_msg+0x346/0x3e0 ? sched_clock+0x10/0x30 ? __pfx_rtnetlink_rcv_msg+0x10/0x10 netlink_rcv_skb+0x59/0x110 netlink_unicast+0x285/0x3c0 ? __alloc_skb+0xdb/0x1a0 netlink_sendmsg+0x20d/0x430 ____sys_sendmsg+0x39f/0x3d0 ? import_iovec+0x2f/0x40 ___sys_sendmsg+0x99/0xe0 __sys_sendmsg+0x8a/0xf0 do_syscall_64+0x81/0x970 ? __sys_bind+0xe3/0x110 ? syscall_exit_work+0x143/0x1b0 ? do_syscall_64+0x244/0x970 ? sock_alloc_file+0x63/0xc0 ? syscall_exit_work+0x143/0x1b0 ? do_syscall_64+0x244/0x970 ? alloc_fd+0x12e/0x190 ? put_unused_fd+0x2a/0x70 ? do_sys_openat2+0xa2/0xe0 ? syscall_exit_work+0x143/0x1b0 ? do_syscall_64+0x244/0x970 ? exc_page_fault+0x7e/0x1a0 entry_SYSCALL_64_after_hwframe+0x76/0x7e [...] </TASK> Fix this by checking is_visible() before trying to touch the attribute.

What

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through the affected interface may attempt exploitation when the stated preconditions are met. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

What

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

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: the affected interface → vulnerable operation → cause the confidentiality, integrity or availability impact described by the vendor
Attack surface: Unspecified
Privileges required: Not stated in the selected CVSS metric
User interaction: Not stated in the selected CVSS metric
Attack complexity: Not stated in the selected CVSS metric
Security boundary: Not stated in the selected CVSS metric
Weakness ? CWE means Common Weakness Enumeration.: CWE not yet assigned
CVSS vector ? CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.: Not available from the selected scoring authority.
Post-exploitation / living off the land: No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.

Official authority intelligence

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

ENISA EUVD · EUVD-2025-203632Official EUVD mapping

0 linked advisory records.

Official EUVD record

BSI · German · WID-SEC-W-2025-2868Linux Kernel: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um nicht näher spezifizierte Angriffe durchzuführen, die möglicherweise zu einer Denial-of-Service- Bedingung führen oder eine Speicherbeschädigung verursachen können.

Official advisory

CERT-FR · French · CERTFR-2026-AVI-0369Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2025-40339 Référence CVE CVE-2025-40342 https://www.cve.org/CVERecord?id=CVE-2025-40342 Référence CVE CVE-2025-40343 https://www.cve.org/CVERecord?id=CVE-2025-40343 Référence CVE CVE-2025-40345 https://www.cve.org/CVERecord?id=CVE-2025-40345 Référence CVE CVE-2025-40346 https://www.cve.org/CVERecord?id=CVE-2025-40346 Référence CVE CVE-2025-40347 https://www.cve.org/CVERecord?id=CVE-2025-40347 Référence CVE CVE-2025-40349 https://www.cve.org/CVERecord?id=CVE-2025-40349 Référence CVE CVE-2025-40350 https://www.cve.org/CVERecord?id=CVE-2025-40350 Référence CVE CVE-2025-40351 https://www.cve.org/CVERecord?id=CVE-2025-40351 Référence CVE CVE-2025-40355 https://www.cve.org/CVERecord?id=CVE-2025-40355 Référence CVE CVE-2025-40360 https://www.cve.org/CVERecord?id=CVE-2025-40360 Référence CVE CVE-2025-40363 https://www.cve.org/CVERecord?id=CVE-2025-40363 Référence CVE CVE-2025-68168 https://www.cve.org/CVERecord?id=CVE-2025-68168 Référence CVE CVE-2025-68171 https://www.cve.org/CVERecord?id=CVE-2025-68171 Référence CVE CVE-2025-68172 https://www.cve.org/CVERecord?id=CVE-2025-68172 Référence CVE CVE-2025-68174 https://www.cve.org/CVERecord?id=CVE-2025-68174 Référence CVE CVE-2025-68176 https://www.cve.org/CVERecord?id=CVE-2025-68176 Référence CVE CVE-2025-68178 https://www.cve.org/CVERecord?id=

Official advisory

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

d?id=CVE-2025-40339 Référence CVE CVE-2025-40340 https://www.cve.org/CVERecord?id=CVE-2025-40340 Référence CVE CVE-2025-40341 https://www.cve.org/CVERecord?id=CVE-2025-40341 Référence CVE CVE-2025-40342 https://www.cve.org/CVERecord?id=CVE-2025-40342 Référence CVE CVE-2025-40343 https://www.cve.org/CVERecord?id=CVE-2025-40343 Référence CVE CVE-2025-40345 https://www.cve.org/CVERecord?id=CVE-2025-40345 Référence CVE CVE-2025-40347 https://www.cve.org/CVERecord?id=CVE-2025-40347 Référence CVE CVE-2025-40353 https://www.cve.org/CVERecord?id=CVE-2025-40353 Référence CVE CVE-2025-40354 https://www.cve.org/CVERecord?id=CVE-2025-40354 Référence CVE CVE-2025-40355 https://www.cve.org/CVERecord?id=CVE-2025-40355 Référence CVE CVE-2025-40356 https://www.cve.org/CVERecord?id=CVE-2025-40356 Référence CVE CVE-2025-40358 https://www.cve.org/CVERecord?id=CVE-2025-40358 Référence CVE CVE-2025-40360 https://www.cve.org/CVERecord?id=CVE-2025-40360 Référence CVE CVE-2025-40362 https://www.cve.org/CVERecord?id=CVE-2025-40362 Référence CVE CVE-2025-40363 https://www.cve.org/CVERecord?id=CVE-2025-40363 Référence CVE CVE-2025-40778 https://www.cve.org/CVERecord?id=CVE-2025-40778 Référence CVE CVE-2025-40780 https://www.cve.org/CVERecord?id=CVE-2025-40780 Référence CVE CVE-2025-41254 https://www.cve.org/CVERecord?id=

Official advisory

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

Official advisory

CERT-FR · French · CERTFR-2026-AVI-0247Multiples vulnérabilités dans le noyau Linux de SUSE

Official advisory

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

d?id=CVE-2025-40344 Référence CVE CVE-2025-40346 https://www.cve.org/CVERecord?id=CVE-2025-40346 Référence CVE CVE-2025-40347 https://www.cve.org/CVERecord?id=CVE-2025-40347 Référence CVE CVE-2025-40349 https://www.cve.org/CVERecord?id=CVE-2025-40349 Référence CVE CVE-2025-40350 https://www.cve.org/CVERecord?id=CVE-2025-40350 Référence CVE CVE-2025-40351 https://www.cve.org/CVERecord?id=CVE-2025-40351 Référence CVE CVE-2025-40352 https://www.cve.org/CVERecord?id=CVE-2025-40352 Référence CVE CVE-2025-40353 https://www.cve.org/CVERecord?id=CVE-2025-40353 Référence CVE CVE-2025-40354 https://www.cve.org/CVERecord?id=CVE-2025-40354 Référence CVE CVE-2025-40355 https://www.cve.org/CVERecord?id=CVE-2025-40355 Référence CVE CVE-2025-40356 https://www.cve.org/CVERecord?id=CVE-2025-40356 Référence CVE CVE-2025-40357 https://www.cve.org/CVERecord?id=CVE-2025-40357 Référence CVE CVE-2025-40358 https://www.cve.org/CVERecord?id=CVE-2025-40358 Référence CVE CVE-2025-40359 https://www.cve.org/CVERecord?id=CVE-2025-40359 Référence CVE CVE-2025-40360 https://www.cve.org/CVERecord?id=CVE-2025-40360 Référence CVE CVE-2025-40362 https://www.cve.org/CVERecord?id=CVE-2025-40362 Référence CVE CVE-2025-40363 https://www.cve.org/CVERecord?id=CVE-2025-40363 Référence CVE CVE-2025-68167 https://www.cve.org/CVERecord?id=

Official advisory

CERT-FR · French · CERTFR-2026-AVI-0225Multiples vulnérabilités dans le noyau Linux de SUSE

Official advisory

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

Official advisory

CERT-FR · French · CERTFR-2026-AVI-0170Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2025-40277 Référence CVE CVE-2025-40280 https://www.cve.org/CVERecord?id=CVE-2025-40280 Référence CVE CVE-2025-40300 https://www.cve.org/CVERecord?id=CVE-2025-40300 Référence CVE CVE-2025-40323 https://www.cve.org/CVERecord?id=CVE-2025-40323 Référence CVE CVE-2025-40328 https://www.cve.org/CVERecord?id=CVE-2025-40328 Référence CVE CVE-2025-40331 https://www.cve.org/CVERecord?id=CVE-2025-40331 Référence CVE CVE-2025-40339 https://www.cve.org/CVERecord?id=CVE-2025-40339 Référence CVE CVE-2025-40345 https://www.cve.org/CVERecord?id=CVE-2025-40345 Référence CVE CVE-2025-40350 https://www.cve.org/CVERecord?id=CVE-2025-40350 Référence CVE CVE-2025-40355 https://www.cve.org/CVERecord?id=CVE-2025-40355 Référence CVE CVE-2025-40363 https://www.cve.org/CVERecord?id=CVE-2025-40363 Référence CVE CVE-2025-68171 https://www.cve.org/CVERecord?id=CVE-2025-68171 Référence CVE CVE-2025-68174 https://www.cve.org/CVERecord?id=CVE-2025-68174 Référence CVE CVE-2025-68178 https://www.cve.org/CVERecord?id=CVE-2025-68178 Référence CVE CVE-2025-68183 https://www.cve.org/CVERecord?id=CVE-2025-68183 Référence CVE CVE-2025-68188 https://www.cve.org/CVERecord?id=CVE-2025-68188 Référence CVE CVE-2025-68190 https://www.cve.org/CVERecord?id=CVE-2025-68190 Référence CVE CVE-2025-68192 https://www.cve.org/CVERecord?id=

Official advisory

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

Official advisory

CERT-FR · French · CERTFR-2026-AVI-0128Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2025-40342 Référence CVE CVE-2025-40343 https://www.cve.org/CVERecord?id=CVE-2025-40343 Référence CVE CVE-2025-40344 https://www.cve.org/CVERecord?id=CVE-2025-40344 Référence CVE CVE-2025-40345 https://www.cve.org/CVERecord?id=CVE-2025-40345 Référence CVE CVE-2025-40346 https://www.cve.org/CVERecord?id=CVE-2025-40346 Référence CVE CVE-2025-40347 https://www.cve.org/CVERecord?id=CVE-2025-40347 Référence CVE CVE-2025-40350 https://www.cve.org/CVERecord?id=CVE-2025-40350 Référence CVE CVE-2025-40353 https://www.cve.org/CVERecord?id=CVE-2025-40353 Référence CVE CVE-2025-40354 https://www.cve.org/CVERecord?id=CVE-2025-40354 Référence CVE CVE-2025-40355 https://www.cve.org/CVERecord?id=CVE-2025-40355 Référence CVE CVE-2025-40357 https://www.cve.org/CVERecord?id=CVE-2025-40357 Référence CVE CVE-2025-40359 https://www.cve.org/CVERecord?id=CVE-2025-40359 Référence CVE CVE-2025-40360 https://www.cve.org/CVERecord?id=CVE-2025-40360 Référence CVE CVE-2025-40362 https://www.cve.org/CVERecord?id=CVE-2025-40362 Référence CVE CVE-2025-68167 https://www.cve.org/CVERecord?id=CVE-2025-68167 Référence CVE CVE-2025-68170 https://www.cve.org/CVERecord?id=CVE-2025-68170 Référence CVE CVE-2025-68171 https://www.cve.org/CVERecord?id=CVE-2025-68171 Référence CVE CVE-2025-68172 https://www.cve.org/CVERecord?id=

Official advisory

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: 303a42769c4c4d8e5e3ad928df87eb36f8c1fa60 < ac2c526e103285d80a0330b91a318f6c9276d35a; 303a42769c4c4d8e5e3ad928df87eb36f8c1fa60 < c7fbb8218b4ad35fec0bd2256d2b9c8d60331f33; 5.7
Fixed: < 5.7; 6.17.6 ≤ 6.17.*; 6.18 ≤ *
Action: Review the linked authoritative reference and apply the recorded fixed release appropriate to the affected product branch.
Workaround: No verified workaround is recorded. Limit untrusted access and use least privilege until authoritative guidance is available.

Evidence and provenance

Published 16 Dec 2025 · Last source change 11 May 2026, 21:47 UTC · CWE not yet assigned

CVE recordCVE.org · 5.2

CVSS sourceUnavailable

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-2025-203632

Product sourceCNA

Remediation sourceCVE/CNA references

CWE sourceUnavailable

NVD statusNVD not scheduled

Missing structured fields: CVSS base score, CWE classification. Missing data is not evidence of low risk; review the primary advisory.

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.

2025-12-16CVE published

2026-05-11Fixed release or patch reference recorded

ENISA EUVD · EUVD-2025-203632↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗

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.

sysfs: check visibility before changing group attribute ownership

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

EUVD-2025-203632

What, why and how

Exploit reality and attack path

Official authority intelligence

Patch and workaround

Evidence and provenance

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