CVE-2026-23214 | Linux Kernel up to 6.12.69/6.18.9 btrfs find_free_extent_update_loop privilege escalation

A vulnerability classified as critical has been found in Linux Kernel up to 6.12.69/6.18.9. Impacted is the function find_free_extent_update_loop of the component btrfs. Performing a manipulation results in privilege escalation.

This vulnerability is reported as CVE-2026-23214. The attacker must have access to the local network to execute the attack. No exploit exists.

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