CVE-2026-31631 | Linux Kernel up to 6.18.22/6.19.12 rxrpc rxgk_do_verify_authenticator buffer overflow

A vulnerability identified as critical has been detected in Linux Kernel up to 6.18.22/6.19.12. This impacts the function rxgk_do_verify_authenticator of the component rxrpc. Performing a manipulation results in buffer overflow.

This vulnerability is known as CVE-2026-31631. Access to the local network is required for this attack. No exploit is available.

You should upgrade the affected component.