{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-53001",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-53001",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-06-24T16:29:13.513Z",
    "updatedAt": "2026-10-15T01:22:13.020Z",
    "importedAt": "2026-10-24T01:58:14.884Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "netfilter: xtables: restrict several matches to inet family",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: xtables: restrict several matches to inet family\n\nThis is a partial revert of:\n\n  commit ab4f21e6fb1c (\"netfilter: xtables: use NFPROTO_UNSPEC in more extensions\")\n\nto allow ipv4 and ipv6 only.\n\n- xt_mac\n- xt_owner\n- xt_physdev\n\nThese extensions are not used by ebtables in userspace.\n\nMoreover, xt_realm is only for ipv4, since dst->tclassid is ipv4\nspecific.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "ab4f21e6fb1c09b13c4c3cb8357babe8223471bd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "14203f9edf944b3fb63faadd62f38452421ecdfc"
            },
            {
              "version": "ab4f21e6fb1c09b13c4c3cb8357babe8223471bd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7eaf9c740f33230cb224dc265f3c69f8531ff57b"
            },
            {
              "version": "ab4f21e6fb1c09b13c4c3cb8357babe8223471bd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9a109751b297b0f2135495749ef5a18ba31ec7d4"
            },
            {
              "version": "ab4f21e6fb1c09b13c4c3cb8357babe8223471bd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cbeb259f31382de70a70a59ffd0e66f5e80d9818"
            },
            {
              "version": "ab4f21e6fb1c09b13c4c3cb8357babe8223471bd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "689a91ff18d6448d94c1ab7c076fecdb2b668bef"
            },
            {
              "version": "ab4f21e6fb1c09b13c4c3cb8357babe8223471bd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "76160e04440c9698b989dbd9492a7ec4f520c9ee"
            },
            {
              "version": "ab4f21e6fb1c09b13c4c3cb8357babe8223471bd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fa88161ef56e29bdaa05cc89dbc4ee221e94bfe9"
            },
            {
              "version": "ab4f21e6fb1c09b13c4c3cb8357babe8223471bd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b6fe26f86a1649f84e057f3f15605b08eda15497"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.28",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.28"
            },
            {
              "version": "5.10.258",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.209",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.175",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.141",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.91",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.33",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.0.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "version": "7.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}