FKIE_CVE-2025-71239

Vulnerability from fkie_nvd - Published: 2026-03-17 10:15 - Updated: 2026-03-18 17:16
Severity ?
Summary
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3e762a03713e8c25ca0108c075d662c897fc0623
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4f493a6079b588cf1f04ce5ed6cdad45ab0d53dc
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4fed776ca86378da7dd743a7b648e20b025ba8ef
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/91e27bc79c3bca93c06bf5a471d47df9a35b3741
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c4334c0d0e7d6f02ed93756fd4ba807e3d00c05f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://www.bencteux.fr/posts/missing_syscalls_audit/
Impacted products
Vendor Product Version
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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naudit: add fchmodat2() to change attributes class\n\nfchmodat2(), introduced in version 6.6 is currently not in the change\nattribute class of audit. Calling fchmodat2() to change a file\nattribute in the same fashion than chmod() or fchmodat() will bypass\naudit rules such as:\n\n-w /tmp/test -p rwa -k test_rwa\n\nThe current patch adds fchmodat2() to the change attributes class."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\naudit: a\u00f1adir fchmodat2() a la clase de cambio de atributos\n\nfchmodat2(), introducido en la versi\u00f3n 6.6, actualmente no est\u00e1 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() eludir\u00e1 las reglas de audit como:\n\n-w /tmp/test -p rwa -k test_rwa\n\nEl parche actual a\u00f1ade fchmodat2() a la clase de cambio de atributos."
    }
  ],
  "id": "CVE-2025-71239",
  "lastModified": "2026-03-18T17:16:04.707",
  "metrics": {},
  "published": "2026-03-17T10:15:59.010",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/3e762a03713e8c25ca0108c075d662c897fc0623"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4f493a6079b588cf1f04ce5ed6cdad45ab0d53dc"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4fed776ca86378da7dd743a7b648e20b025ba8ef"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/91e27bc79c3bca93c06bf5a471d47df9a35b3741"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c4334c0d0e7d6f02ed93756fd4ba807e3d00c05f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://www.bencteux.fr/posts/missing_syscalls_audit/"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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