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CVE-2026-53001

netfilter: xtables: restrict several matches to inet family PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected ab4f21e6fb1c09b13c4c3cb8357babe8223471bd before 14203f9edf944b3fb63faadd62f38452421ecdfc; affected ab4f21e6fb1c09b13c4c3cb8357babe8223471bd before 7eaf9c740f33230cb224dc265f3c69f8531ff57b; affected ab4f21e6fb1c09b13c4c3cb8357babe8223471bd before 9a109751b297b0f2135495749ef5a18ba31ec7d4; affected ab4f21e6fb1c09b13c4c3cb8357babe8223471bd before cbeb259f31382de70a70a59ffd0e66f5e80d9818; affected ab4f21e6fb1c09b13c4c3cb8357babe8223471bd before 689a91ff18d6448d94c1ab7c076fecdb2b668bef; affected ab4f21e6fb1c09b13c4c3cb8357babe8223471bd before 76160e04440c9698b989dbd9492a7ec4f520c9ee; affected ab4f21e6fb1c09b13c4c3cb8357babe8223471bd before fa88161ef56e29bdaa05cc89dbc4ee221e94bfe9; affected ab4f21e6fb1c09b13c4c3cb8357babe8223471bd before b6fe26f86a1649f84e057f3f15605b08eda15497
Linux / Linuxaffected 2.6.28; unaffected 0 before 2.6.28; unaffected 5.10.258 through 5.10.*; unaffected 5.15.209 through 5.15.*; unaffected 6.1.175 through 6.1.*; unaffected 6.6.141 through 6.6.*; unaffected 6.12.91 through 6.12.*; unaffected 6.18.33 through 6.18.*; unaffected 7.0.10 through 7.0.*; unaffected 7.1 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

siemens-SADP

No English description supplied.