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CVE-2026-63827 apparmor: fix use-after-free in rawdata dedup loop

🗓️ 19 Jul 2026 12:02:22Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 47 Views

AppArmor fixes use-after-free in rawdata dedup loop by using a not-zero variant for load data lookup.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "security/apparmor/include/policy_unpack.h",
      "security/apparmor/policy.c"
    ],
    "versions": [
      {
        "version": "3b8e77c7abab40e6de9ad9de730d77984a498840",
        "lessThan": "643221da57dbb1a8fd800610331cf1ec27969f71",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d9d8560b9b7932f8cffc4c068c14289220900f79",
        "lessThan": "b17f0c59cc1525765625cf07d0391b7f9c1ed7e5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6b6ba87579c7e7c669e0bec91823e7fb693bc5df",
        "lessThan": "a7a2890028f16e5b0af0bb005d80fcb32559cca3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6ef1f2926c41ab96952d9696d55a052f1b3a9418",
        "lessThan": "15fd83a1e42ede15070968806bb6c8b1a5170688",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f9761add6d100962a23996cb68f3d6abdd4d1815",
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        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "af782cc8871e3683ddd5a3cd2f7df526599863a9",
        "lessThan": "c3ca2631073b2cef06824fd2bfc452ff7a1023de",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a0b7091c4de45a7325c8780e6934a894f92ac86b",
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        "status": "affected",
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      },
      {
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        "lessThan": "6f060496d03e4dc560a40f73770bd08335cb7a27",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "763e838adc3c7ec5a7df2990ce84cad951e42721",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.253",
        "lessThan": "5.10.261",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.203",
        "lessThan": "5.15.212",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.169",
        "lessThan": "6.1.177",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.130",
        "lessThan": "6.6.144",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.77",
        "lessThan": "6.12.95",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.18.18",
        "lessThan": "6.18.38",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.19.8",
        "lessThan": "6.20",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "security/apparmor/include/policy_unpack.h",
      "security/apparmor/policy.c"
    ],
    "versions": [
      {
        "version": "7.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.177",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.144",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.95",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.38",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.3",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Aug 2026 04:51Current
CVSS 3.17.8
EPSS0.00124
47