CVE-2026-31681 | Linux Kernel up to 6.12.82/6.18.23/6.19.13 netfilter ports_match_v1 ports[] encoding error

A vulnerability identified as critical has been detected in Linux Kernel up to 6.12.82/6.18.23/6.19.13. The affected element is the function ports_match_v1 of the component netfilter. The manipulation of the argument ports[] leads to encoding error.

This vulnerability is referenced as CVE-2026-31681. The attack needs to be initiated within the local network. No exploit is available.

You should upgrade the affected component.