CVE-2025-71239Protection Mechanism Failure in Linux

Severity
5.1MEDIUM
No vector
EPSS
0.0%
top 90.88%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 17

Description

In the Linux kernel, the following vulnerability has been resolved: audit: add fchmodat2() to change attributes class fchmodat2(), introduced in version 6.6 is currently not in the change attribute class of audit. Calling fchmodat2() to change a file attribute in the same fashion than chmod() or fchmodat() will bypass audit rules such as: -w /tmp/test -p rwa -k test_rwa The current patch adds fchmodat2() to the change attributes class.

Affected Packages3 packages

Linuxlinux/linux_kernel6.6.06.6.128+3
Debianlinux/linux_kernel< 6.19.6-1
CVEListV5linux/linux09da082b07bbae1c11d9560c8502800039aebcea91e27bc79c3bca93c06bf5a471d47df9a35b3741+5

🔴Vulnerability Details

4
OSV
audit: add fchmodat2() to change attributes class2026-03-17
GHSA
GHSA-h5q3-ggp6-vf4c: In the Linux kernel, the following vulnerability has been resolved: audit: add fchmodat2() to change attributes class fchmodat2(), introduced in ver2026-03-17
CVEList
audit: add fchmodat2() to change attributes class2026-03-17
OSV
CVE-2025-71239: In the Linux kernel, the following vulnerability has been resolved: audit: add fchmodat2() to change attributes class fchmodat2(), introduced in versi2026-03-17

📋Vendor Advisories

3
Red Hat
kernel: audit: add fchmodat2() to change attributes class2026-03-17
Microsoft
audit: add fchmodat2() to change attributes class2026-03-10
Debian
CVE-2025-71239: linux - In the Linux kernel, the following vulnerability has been resolved: audit: add ...2025

🕵️Threat Intelligence

1
Wiz
CVE-2025-71239 Impact, Exploitability, and Mitigation Steps | Wiz
CVE-2025-71239 — Protection Mechanism Failure in Linux | cvebase