CVE-2026-31684 | Linux Kernel up to 6.12.82/6.18.23/6.19.13 net tcf_csum_act privilege escalation

A vulnerability marked as critical has been reported in Linux Kernel up to 6.12.82/6.18.23/6.19.13. This affects the function tcf_csum_act of the component net. This manipulation causes privilege escalation.

This vulnerability is tracked as CVE-2026-31684. The attack is only possible within the local network. No exploit exists.

It is suggested to upgrade the affected component.