CVE-2026-43393 | Linux Kernel up to 6.12.77/6.18.18/6.19.8 btrfs btrfs_map_block privilege escalation (Nessus ID 313457)
A vulnerability was found in Linux Kernel up to 6.12.77/6.18.18/6.19.8. It has been classified as critical. Affected by this vulnerability is the function btrfs_map_block of the component btrfs. Performing a manipulation results in privilege escalation.
This vulnerability is identified as CVE-2026-43393. The attack can only be performed from the local network. There is not any exploit available.
Upgrading the affected component is recommended.