CVE-2025-71239

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-71239
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.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/3e762a03713e8c25ca0108c075d662c897fc0623 Patch
https://git.kernel.org/stable/c/4f493a6079b588cf1f04ce5ed6cdad45ab0d53dc Patch
https://git.kernel.org/stable/c/4fed776ca86378da7dd743a7b648e20b025ba8ef Patch
https://git.kernel.org/stable/c/91e27bc79c3bca93c06bf5a471d47df9a35b3741 Patch
https://git.kernel.org/stable/c/c4334c0d0e7d6f02ed93756fd4ba807e3d00c05f Patch
https://www.bencteux.fr/posts/missing_syscalls_audit/ Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

20 May 2026, 19:47

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/3e762a03713e8c25ca0108c075d662c897fc0623 - () https://git.kernel.org/stable/c/3e762a03713e8c25ca0108c075d662c897fc0623 - Patch
References () https://git.kernel.org/stable/c/4f493a6079b588cf1f04ce5ed6cdad45ab0d53dc - () https://git.kernel.org/stable/c/4f493a6079b588cf1f04ce5ed6cdad45ab0d53dc - Patch
References () https://git.kernel.org/stable/c/4fed776ca86378da7dd743a7b648e20b025ba8ef - () https://git.kernel.org/stable/c/4fed776ca86378da7dd743a7b648e20b025ba8ef - Patch
References () https://git.kernel.org/stable/c/91e27bc79c3bca93c06bf5a471d47df9a35b3741 - () https://git.kernel.org/stable/c/91e27bc79c3bca93c06bf5a471d47df9a35b3741 - Patch
References () https://git.kernel.org/stable/c/c4334c0d0e7d6f02ed93756fd4ba807e3d00c05f - () https://git.kernel.org/stable/c/c4334c0d0e7d6f02ed93756fd4ba807e3d00c05f - Patch
References () https://www.bencteux.fr/posts/missing_syscalls_audit/ - () https://www.bencteux.fr/posts/missing_syscalls_audit/ - Third Party Advisory
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CWE NVD-CWE-noinfo
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
First Time Linux linux Kernel
Linux

18 Mar 2026, 17:16

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: audit: añadir fchmodat2() a la clase de cambio de atributos fchmodat2(), introducido en la versión 6.6, actualmente no está en la clase de cambio de atributos de audit. Llamar a fchmodat2() para cambiar un atributo de archivo de la misma manera que chmod() o fchmodat() eludirá las reglas de audit como: -w /tmp/test -p rwa -k test_rwa El parche actual añade fchmodat2() a la clase de cambio de atributos.
References
  • {'url': 'https://git.kernel.org/stable/c/3ee75b13ea5f05ff9adc784b2464825bd70eb119', 'source': '416baaa9-dc9f-4396-8d5f-8c081fb06d67'}
  • {'url': 'https://git.kernel.org/stable/c/57489a89657cc94bf6ad8427d1902daba9156aa1', 'source': '416baaa9-dc9f-4396-8d5f-8c081fb06d67'}
  • {'url': 'https://git.kernel.org/stable/c/f714315d7d68898d03093f67285256a8770f903c', 'source': '416baaa9-dc9f-4396-8d5f-8c081fb06d67'}

17 Mar 2026, 10:15

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-17 10:15

Updated : 2026-05-20 19:47

NVD link : CVE-2025-71239

Mitre link : CVE-2025-71239

CVE.ORG link : CVE-2025-71239

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
NVD-CWE-noinfo