Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.28, < 5.10.258 |
References
- https://git.kernel.org/stable/c/14203f9edf944b3fb63faadd62f38452421ecdfcPatch
- https://git.kernel.org/stable/c/689a91ff18d6448d94c1ab7c076fecdb2b668befPatch
- https://git.kernel.org/stable/c/76160e04440c9698b989dbd9492a7ec4f520c9eePatch
- https://git.kernel.org/stable/c/7eaf9c740f33230cb224dc265f3c69f8531ff57bPatch
- https://git.kernel.org/stable/c/9a109751b297b0f2135495749ef5a18ba31ec7d4Patch
- https://git.kernel.org/stable/c/b6fe26f86a1649f84e057f3f15605b08eda15497Patch
- https://git.kernel.org/stable/c/cbeb259f31382de70a70a59ffd0e66f5e80d9818Patch
- https://git.kernel.org/stable/c/fa88161ef56e29bdaa05cc89dbc4ee221e94bfe9Patch
FAQ
What is CVE-2026-53001?
CVE-2026-53001 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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: xtabl...
How severe is CVE-2026-53001?
CVE-2026-53001 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-53001?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.