CVE-2025-71239 (GCVE-0-2025-71239)
Vulnerability from cvelistv5
Published
2026-03-17 09:11
Modified
2026-04-13 06:02
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
Impacted products
Vendor Product Version
Linux Linux Version: 09da082b07bbae1c11d9560c8502800039aebcea
Version: 09da082b07bbae1c11d9560c8502800039aebcea
Version: 09da082b07bbae1c11d9560c8502800039aebcea
Version: 09da082b07bbae1c11d9560c8502800039aebcea
Version: 09da082b07bbae1c11d9560c8502800039aebcea
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "include/asm-generic/audit_change_attr.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "91e27bc79c3bca93c06bf5a471d47df9a35b3741",
              "status": "affected",
              "version": "09da082b07bbae1c11d9560c8502800039aebcea",
              "versionType": "git"
            },
            {
              "lessThan": "3e762a03713e8c25ca0108c075d662c897fc0623",
              "status": "affected",
              "version": "09da082b07bbae1c11d9560c8502800039aebcea",
              "versionType": "git"
            },
            {
              "lessThan": "4fed776ca86378da7dd743a7b648e20b025ba8ef",
              "status": "affected",
              "version": "09da082b07bbae1c11d9560c8502800039aebcea",
              "versionType": "git"
            },
            {
              "lessThan": "c4334c0d0e7d6f02ed93756fd4ba807e3d00c05f",
              "status": "affected",
              "version": "09da082b07bbae1c11d9560c8502800039aebcea",
              "versionType": "git"
            },
            {
              "lessThan": "4f493a6079b588cf1f04ce5ed6cdad45ab0d53dc",
              "status": "affected",
              "version": "09da082b07bbae1c11d9560c8502800039aebcea",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "include/asm-generic/audit_change_attr.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.6"
            },
            {
              "lessThan": "6.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.128",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.75",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.128",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.75",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.16",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.6",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-13T06:02:29.886Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/91e27bc79c3bca93c06bf5a471d47df9a35b3741"
        },
        {
          "url": "https://git.kernel.org/stable/c/3e762a03713e8c25ca0108c075d662c897fc0623"
        },
        {
          "url": "https://git.kernel.org/stable/c/4fed776ca86378da7dd743a7b648e20b025ba8ef"
        },
        {
          "url": "https://git.kernel.org/stable/c/c4334c0d0e7d6f02ed93756fd4ba807e3d00c05f"
        },
        {
          "url": "https://git.kernel.org/stable/c/4f493a6079b588cf1f04ce5ed6cdad45ab0d53dc"
        },
        {
          "url": "https://www.bencteux.fr/posts/missing_syscalls_audit/"
        }
      ],
      "title": "audit: add fchmodat2() to change attributes class",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-71239",
    "datePublished": "2026-03-17T09:11:03.386Z",
    "dateReserved": "2026-02-18T14:25:13.845Z",
    "dateUpdated": "2026-04-13T06:02:29.886Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.