CVE-2026-53001
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedJun 24, 2026
First seenJun 24, 2026
How to fix
Update
- linux linux_kernel5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10 or later
Patches
- git.kernel.org/stable/c/14203f9edf944b3fb63faadd62f38452421ecdfc
- git.kernel.org/stable/c/689a91ff18d6448d94c1ab7c076fecdb2b668bef
- git.kernel.org/stable/c/76160e04440c9698b989dbd9492a7ec4f520c9ee
- git.kernel.org/stable/c/7eaf9c740f33230cb224dc265f3c69f8531ff57b
- git.kernel.org/stable/c/9a109751b297b0f2135495749ef5a18ba31ec7d4
- git.kernel.org/stable/c/b6fe26f86a1649f84e057f3f15605b08eda15497
- git.kernel.org/stable/c/cbeb259f31382de70a70a59ffd0e66f5e80d9818
- git.kernel.org/stable/c/fa88161ef56e29bdaa05cc89dbc4ee221e94bfe9
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 2.6.28 ≤ v < 5.10.258, 5.11 ≤ v < 5.15.209, 5.16 ≤ v < 6.1.175, 6.2 ≤ v < 6.6.141, 6.7 ≤ v < 6.12.91, 6.13 ≤ v < 6.18.33, 6.19 ≤ v < 7.0.10 | 5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10 |
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