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CVE-2026-97594 landlock: Fix use-after-free of the source's parent directory

🗓️ 25 Sep 2026 10:22:10Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 43 Views

Linux kernel landlock use-after-free in current_check_refer_path via concurrent rename.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "security/landlock/fs.c"
    ],
    "versions": [
      {
        "version": "b91c3e4ea756b12b7d992529226edce1cfd854d7",
        "lessThan": "4c37992b9668c4f37aae41dd95c369f7b6009915",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b91c3e4ea756b12b7d992529226edce1cfd854d7",
        "lessThan": "379efd2ce8b26fd35feb13ccc2f671ff105a5052",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b91c3e4ea756b12b7d992529226edce1cfd854d7",
        "lessThan": "ba29c46ccfe3ebadfb8aa18149186c49f84b14f8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b91c3e4ea756b12b7d992529226edce1cfd854d7",
        "lessThan": "2c6dc792538260a8087ac5b22c31b3b8e47c85d6",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "security/landlock/fs.c"
    ],
    "versions": [
      {
        "version": "5.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.112",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.53",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.7",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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