CVE-2026-68442 | Linux Kernel up to 6.12.100/6.18.41/7.1.5/7.2-rc4 btrfs btrfs_drop_extent_map_range use after free

A vulnerability, which was classified as very critical, was found in Linux Kernel up to 6.12.100/6.18.41/7.1.5/7.2-rc4. Affected by this vulnerability is the function btrfs_drop_extent_map_range of the component btrfs. Executing a manipulation can lead to use after free.

The identification of this vulnerability is CVE-2026-68442. The attack may be launched remotely. There is no exploit available.

You should upgrade the affected component.