CVE-2026-98245 | Linux Kernel up to 6.12.111/6.18.53/7.2.7/7.3-rc3 btrfs mark_block_group_to_copy use after free

A vulnerability was found in Linux Kernel up to 6.12.111/6.18.53/7.2.7/7.3-rc3. It has been declared as very critical. Affected is the function mark_block_group_to_copy of the component btrfs. Executing a manipulation can lead to use after free.

This vulnerability appears as CVE-2026-98245. The attack may be performed from remote. There is no available exploit.

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