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CVE-2026-23269 apparmor: validate DFA start states are in bounds in unpack_pdb

🗓️ 18 Mar 2026 17:54:42Reported by LinuxType 
cvelist
 cvelist🔗 www.cve.org👁 18 Views

Kernel fix rejects out-of-bounds DFA start states in unpack_pdb to secure AppArmor.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-23269
18 Mar 202617:54
–attackerkb
CBLMariner		CVE-2026-23269 affecting package kernel for versions less than 6.6.130.1-1
30 Mar 202616:12
–cbl_mariner
Circl		CVE-2026-23269
29 Mar 202617:00
–circl
CNNVD		Linux kernel 安全漏洞
18 Mar 202600:00
–cnnvd
CVE		CVE-2026-23269
18 Mar 202617:54
–cve
Debian CVE		CVE-2026-23269
18 Mar 202617:54
–debiancve
Tenable Nessus		EulerOS 2.0 SP11 : kernel (EulerOS-SA-2026-2209)
9 Jun 202600:00
–nessus
Tenable Nessus		EulerOS 2.0 SP11 : kernel (EulerOS-SA-2026-2247)
9 Jun 202600:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-2293)
10 Jun 202600:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-2336)
10 Jun 202600:00
–nessus
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "security/apparmor/policy_unpack.c"
    ],
    "versions": [
      {
        "version": "ad5ff3db53c68c2f12936bc74ea5dfe0af943592",
        "lessThan": "f43eea8ae0102ea198da211ef7f5ce83725ecf19",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ad5ff3db53c68c2f12936bc74ea5dfe0af943592",
        "lessThan": "5487871b2b56c19d26936ed6fdc62652b30941df",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ad5ff3db53c68c2f12936bc74ea5dfe0af943592",
        "lessThan": "5443c027ec16afa55b1b8a3e7a1ab2ea3c77767a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ad5ff3db53c68c2f12936bc74ea5dfe0af943592",
        "lessThan": "07cf6320f40ea2ccfad63728cff34ecb309d03da",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ad5ff3db53c68c2f12936bc74ea5dfe0af943592",
        "lessThan": "15c3eb8916e7db01cb246d04a1fe6f0fdc065b0c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ad5ff3db53c68c2f12936bc74ea5dfe0af943592",
        "lessThan": "0baadb0eece2c4d939db10d3c323b4652ac79a58",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ad5ff3db53c68c2f12936bc74ea5dfe0af943592",
        "lessThan": "3bb7db43e32190c973d4019037cedb7895920184",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ad5ff3db53c68c2f12936bc74ea5dfe0af943592",
        "lessThan": "9063d7e2615f4a7ab321de6b520e23d370e58816",
        "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/apparmor/policy_unpack.c"
    ],
    "versions": [
      {
        "version": "3.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.253",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.203",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.169",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.130",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.77",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.18",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.8",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 22:03Current
CVSS 3.17.1
EPSS0.00131
AppArmorDFA start statesuntrusted dataout of bounds
18