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.
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CVE-2026-23214 | Linux Kernel up to 6.12.69/6.18.9 btrfs find_free_extent_update_loop privilege escalation (WID-SEC-2026-0462)
A vulnerability classified as critical has been found in Linux Kernel up to 6.12.69/6.18.9. Impacted is the function
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