CVE-2026-53001 (GCVE-0-2026-53001)

Vulnerability from cvelistv5 – Published: 2026-06-24 16:29 – Updated: 2026-06-24 16:29
VLAI
Title
netfilter: xtables: restrict several matches to inet family
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: restrict several matches to inet family This is a partial revert of: commit ab4f21e6fb1c ("netfilter: xtables: use NFPROTO_UNSPEC in more extensions") to allow ipv4 and ipv6 only. - xt_mac - xt_owner - xt_physdev These extensions are not used by ebtables in userspace. Moreover, xt_realm is only for ipv4, since dst->tclassid is ipv4 specific.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: ab4f21e6fb1c09b13c4c3cb8357babe8223471bd , < 14203f9edf944b3fb63faadd62f38452421ecdfc (git)
Affected: ab4f21e6fb1c09b13c4c3cb8357babe8223471bd , < 7eaf9c740f33230cb224dc265f3c69f8531ff57b (git)
Affected: ab4f21e6fb1c09b13c4c3cb8357babe8223471bd , < 9a109751b297b0f2135495749ef5a18ba31ec7d4 (git)
Affected: ab4f21e6fb1c09b13c4c3cb8357babe8223471bd , < cbeb259f31382de70a70a59ffd0e66f5e80d9818 (git)
Affected: ab4f21e6fb1c09b13c4c3cb8357babe8223471bd , < 689a91ff18d6448d94c1ab7c076fecdb2b668bef (git)
Affected: ab4f21e6fb1c09b13c4c3cb8357babe8223471bd , < 76160e04440c9698b989dbd9492a7ec4f520c9ee (git)
Affected: ab4f21e6fb1c09b13c4c3cb8357babe8223471bd , < fa88161ef56e29bdaa05cc89dbc4ee221e94bfe9 (git)
Affected: ab4f21e6fb1c09b13c4c3cb8357babe8223471bd , < b6fe26f86a1649f84e057f3f15605b08eda15497 (git)
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Linux Linux Affected: 2.6.28
Unaffected: 0 , < 2.6.28 (semver)
Unaffected: 5.10.258 , ≤ 5.10.* (semver)
Unaffected: 5.15.209 , ≤ 5.15.* (semver)
Unaffected: 6.1.175 , ≤ 6.1.* (semver)
Unaffected: 6.6.141 , ≤ 6.6.* (semver)
Unaffected: 6.12.91 , ≤ 6.12.* (semver)
Unaffected: 6.18.33 , ≤ 6.18.* (semver)
Unaffected: 7.0.10 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
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{
  "containers": {
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          "programFiles": [
            "net/netfilter/xt_mac.c",
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          ],
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          "vendor": "Linux",
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              "version": "2.6.28"
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              "status": "unaffected",
              "version": "0",
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              "version": "6.6.141",
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      "cpeApplicability": [
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          "lang": "en",
          "value": "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-\u003etclassid 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"
        },
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          "url": "https://git.kernel.org/stable/c/7eaf9c740f33230cb224dc265f3c69f8531ff57b"
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      "title": "netfilter: xtables: restrict several matches to inet family",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-53001",
    "datePublished": "2026-06-24T16:29:13.513Z",
    "dateReserved": "2026-06-09T07:44:35.377Z",
    "dateUpdated": "2026-06-24T16:29:13.513Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-53001",
      "date": "2026-07-06",
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    },
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  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.