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CVE-2026-47331 Use-after-free in Ubuntu Linux AppArmor notification handling

🗓️ 28 May 2026 18:28:08Reported by canonicalType 
cvelist
 cvelist
🔗 www.cve.org👁 49 Views

CVE-2026-47331: Use-after-free in Ubuntu AppArmor notification handling due to missing lock, enabling unprivileged local race.

Related
Affected
Refs
[
  {
    "vendor": "Canonical",
    "product": "Ubuntu Linux",
    "collectionURL": "https://launchpad.net/ubuntu/+source/",
    "packageName": "linux",
    "repo": "https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/",
    "modules": [
      "AppArmor"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "6.8.0",
        "lessThan": "6.8.0-124.124",
        "versionType": "dpkg"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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