CVE-2026-31418 | Linux Kernel up to 6.1.167/6.6.133/6.12.80/6.18.21/6.19.11 netfilter mtype_del privilege escalation

A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.1.167/6.6.133/6.12.80/6.18.21/6.19.11. Affected by this vulnerability is the function mtype_del of the component netfilter. Executing a manipulation can lead to privilege escalation.

This vulnerability appears as CVE-2026-31418. The attacker needs to be present on the local network. There is no available exploit.

It is advisable to upgrade the affected component.