CVE-2026-53264 | Linux Kernel up to 7.0.12 mutex_lock tcfa_refcnt use after free

June 25, 2026 Yanac

A vulnerability classified as critical has been found in Linux Kernel up to 7.0.12. Affected by this vulnerability is the function mutex_lock. This manipulation of the argument tcfa_refcnt causes use after free.

This vulnerability appears as CVE-2026-53264. The attacker needs to be present on the local network. There is no available exploit.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More