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CVE-2026-23407 apparmor: fix missing bounds check on DEFAULT table in verify_dfa()

🗓️ 01 Apr 2026 08:36:37Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 40 Views

AppArmor fix missing bounds check on DEFAULT table in verify_dfa to prevent out-of-bounds access.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-23407
1 Apr 202608:36
attackerkb
CBLMariner
CVE-2026-23407 affecting package kernel for versions less than 6.6.130.1-1
30 Mar 202616:12
cbl_mariner
Circl
CVE-2026-23407
1 Apr 202611:30
circl
CNNVD
Linux kernel 安全漏洞
1 Apr 202600:00
cnnvd
CNVD
Linux kernel buffer overflow vulnerability (CNVD-2026-17161)
10 Apr 202600:00
cnvd
CVE
CVE-2026-23407
1 Apr 202608:36
cve
Debian CVE
CVE-2026-23407
1 Apr 202608:36
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
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/match.c"
    ],
    "versions": [
      {
        "version": "031dcc8f4e84fea37dc6f78fdc7288aa7f8386c3",
        "lessThan": "555829fd91eaf0711e369b0a92aecb0f0aa3281f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "031dcc8f4e84fea37dc6f78fdc7288aa7f8386c3",
        "lessThan": "a75e12ca90c9e70ba10fee1be2f63cdd63d91a7c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "031dcc8f4e84fea37dc6f78fdc7288aa7f8386c3",
        "lessThan": "22094c996968a7c5b59cd3fc9fcbdfdd46d02fec",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "031dcc8f4e84fea37dc6f78fdc7288aa7f8386c3",
        "lessThan": "7c7cf05e0606f554c467e3a4dc49e2e578a755b4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "031dcc8f4e84fea37dc6f78fdc7288aa7f8386c3",
        "lessThan": "76b4d36c5122866452d34d8f79985e191f9c3831",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "031dcc8f4e84fea37dc6f78fdc7288aa7f8386c3",
        "lessThan": "5a68e46dfe0c8c8ffc6f425ebc4cae6238566ecc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "031dcc8f4e84fea37dc6f78fdc7288aa7f8386c3",
        "lessThan": "f39e126e56c6ec1930fae51ad6bca3dae2a4c3ed",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "031dcc8f4e84fea37dc6f78fdc7288aa7f8386c3",
        "lessThan": "d352873bbefa7eb39995239d0b44ccdf8aaa79a4",
        "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/match.c"
    ],
    "versions": [
      {
        "version": "4.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.17",
        "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 22:06Current
CVSS 3.17.8
EPSS0.00008
40