Vulnerability-Lookup

GHSA-H5Q3-GGP6-VF4C

Vulnerability from github – Published: 2026-03-17 12:30 – Updated: 2026-03-17 12:30

Details

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.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-71239"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-17T10:15:59Z",
    "severity": null
  },
  "details": "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.",
  "id": "GHSA-h5q3-ggp6-vf4c",
  "modified": "2026-03-17T12:30:19Z",
  "published": "2026-03-17T12:30:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-71239"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3e762a03713e8c25ca0108c075d662c897fc0623"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3ee75b13ea5f05ff9adc784b2464825bd70eb119"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4f493a6079b588cf1f04ce5ed6cdad45ab0d53dc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4fed776ca86378da7dd743a7b648e20b025ba8ef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/57489a89657cc94bf6ad8427d1902daba9156aa1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/91e27bc79c3bca93c06bf5a471d47df9a35b3741"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c4334c0d0e7d6f02ed93756fd4ba807e3d00c05f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f714315d7d68898d03093f67285256a8770f903c"
    },
    {
      "type": "WEB",
      "url": "https://www.bencteux.fr/posts/missing_syscalls_audit"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-71239 (GCVE-0-2025-71239)

Vulnerability from cvelistv5 – Published: 2026-03-17 09:11 – Updated: 2026-03-18 16:21

Title

audit: add fchmodat2() to change attributes class

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.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/91e27bc79c3bca93c…
	https://git.kernel.org/stable/c/3e762a03713e8c25c…
	https://git.kernel.org/stable/c/4fed776ca86378da7…
	https://git.kernel.org/stable/c/c4334c0d0e7d6f02e…
	https://git.kernel.org/stable/c/4f493a6079b588cf1…
	https://www.bencteux.fr/posts/missing_syscalls_audit/

Impacted products

Vendor

Product

Version

Linux

Affected: 09da082b07bbae1c11d9560c8502800039aebcea , < 91e27bc79c3bca93c06bf5a471d47df9a35b3741 (git)
Affected: 09da082b07bbae1c11d9560c8502800039aebcea , < 3e762a03713e8c25ca0108c075d662c897fc0623 (git)
Affected: 09da082b07bbae1c11d9560c8502800039aebcea , < 4fed776ca86378da7dd743a7b648e20b025ba8ef (git)
Affected: 09da082b07bbae1c11d9560c8502800039aebcea , < c4334c0d0e7d6f02ed93756fd4ba807e3d00c05f (git)
Affected: 09da082b07bbae1c11d9560c8502800039aebcea , < 4f493a6079b588cf1f04ce5ed6cdad45ab0d53dc (git)

Linux

Affected: 6.6
Unaffected: 0 , < 6.6 (semver)
Unaffected: 6.6.128 , ≤ 6.6.* (semver)
Unaffected: 6.12.75 , ≤ 6.12.* (semver)
Unaffected: 6.18.16 , ≤ 6.18.* (semver)
Unaffected: 6.19.6 , ≤ 6.19.* (semver)
Unaffected: 7.0-rc1 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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-rc1",
              "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-rc1",
                  "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": "2026-03-18T16:21:42.098Z",
        "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": "2026-03-18T16:21:42.098Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-H5Q3-GGP6-VF4C

CVE-2025-71239 (GCVE-0-2025-71239)

Tags

Sightings

Nomenclature