{"api_version":"1","generated_at":"2026-06-25T02:56:53+00:00","cve":"CVE-2026-53001","urls":{"html":"https://cve.report/CVE-2026-53001","api":"https://cve.report/api/cve/CVE-2026-53001.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53001","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53001"},"summary":{"title":"netfilter: xtables: restrict several matches to inet family","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:11","updated_at":"2026-06-24 17:17:11"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/7eaf9c740f33230cb224dc265f3c69f8531ff57b","name":"https://git.kernel.org/stable/c/7eaf9c740f33230cb224dc265f3c69f8531ff57b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/76160e04440c9698b989dbd9492a7ec4f520c9ee","name":"https://git.kernel.org/stable/c/76160e04440c9698b989dbd9492a7ec4f520c9ee","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cbeb259f31382de70a70a59ffd0e66f5e80d9818","name":"https://git.kernel.org/stable/c/cbeb259f31382de70a70a59ffd0e66f5e80d9818","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b6fe26f86a1649f84e057f3f15605b08eda15497","name":"https://git.kernel.org/stable/c/b6fe26f86a1649f84e057f3f15605b08eda15497","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/14203f9edf944b3fb63faadd62f38452421ecdfc","name":"https://git.kernel.org/stable/c/14203f9edf944b3fb63faadd62f38452421ecdfc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fa88161ef56e29bdaa05cc89dbc4ee221e94bfe9","name":"https://git.kernel.org/stable/c/fa88161ef56e29bdaa05cc89dbc4ee221e94bfe9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9a109751b297b0f2135495749ef5a18ba31ec7d4","name":"https://git.kernel.org/stable/c/9a109751b297b0f2135495749ef5a18ba31ec7d4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/689a91ff18d6448d94c1ab7c076fecdb2b668bef","name":"https://git.kernel.org/stable/c/689a91ff18d6448d94c1ab7c076fecdb2b668bef","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53001","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53001","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ab4f21e6fb1c09b13c4c3cb8357babe8223471bd 14203f9edf944b3fb63faadd62f38452421ecdfc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ab4f21e6fb1c09b13c4c3cb8357babe8223471bd 7eaf9c740f33230cb224dc265f3c69f8531ff57b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ab4f21e6fb1c09b13c4c3cb8357babe8223471bd 9a109751b297b0f2135495749ef5a18ba31ec7d4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ab4f21e6fb1c09b13c4c3cb8357babe8223471bd cbeb259f31382de70a70a59ffd0e66f5e80d9818 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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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."}],"providerMetadata":{"dateUpdated":"2026-06-24T16:29:13.513Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/14203f9edf944b3fb63faadd62f38452421ecdfc"},{"url":"https://git.kernel.org/stable/c/7eaf9c740f33230cb224dc265f3c69f8531ff57b"},{"url":"https://git.kernel.org/stable/c/9a109751b297b0f2135495749ef5a18ba31ec7d4"},{"url":"https://git.kernel.org/stable/c/cbeb259f31382de70a70a59ffd0e66f5e80d9818"},{"url":"https://git.kernel.org/stable/c/689a91ff18d6448d94c1ab7c076fecdb2b668bef"},{"url":"https://git.kernel.org/stable/c/76160e04440c9698b989dbd9492a7ec4f520c9ee"},{"url":"https://git.kernel.org/stable/c/fa88161ef56e29bdaa05cc89dbc4ee221e94bfe9"},{"url":"https://git.kernel.org/stable/c/b6fe26f86a1649f84e057f3f15605b08eda15497"}],"title":"netfilter: xtables: restrict several matches to inet 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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.","Type":"Description","Title":"netfilter: xtables: restrict several matches to inet family"}]}}}