CVE-2026-64600 | Linux Kernel up to 6.12.95/6.18.38/7.1.3/7.2-rc3 XFS fs/xfs/xfs_reflink.c race condition

July 23, 2026 Yanac

A vulnerability has been found in Linux Kernel up to 6.12.95/6.18.38/7.1.3/7.2-rc3 and classified as very critical. Affected is the function xfs_reflink_fill_cow_hole/xfs_reflink_fill_delalloc of the file fs/xfs/xfs_reflink.c of the component XFS. The manipulation leads to race condition.

This vulnerability is traded as CVE-2026-64600. An attack has to be approached locally. There is no exploit available.

The affected component should be upgraded.VulDB Recent EntriesRead More