CVE-2026-64357 | Linux Kernel up to 6.12.95/6.18.38/7.1.3 XFS xfs_exchmaps_estimate_overhead resblks data authenticity

July 25, 2026 Yanac

A vulnerability was found in Linux Kernel up to 6.12.95/6.18.38/7.1.3. It has been rated as very critical. The impacted element is the function xfs_exchmaps_estimate_overhead of the component XFS. The manipulation of the argument resblks leads to insufficient verification of data authenticity.

This vulnerability is traded as CVE-2026-64357. It is possible to initiate the attack remotely. There is no exploit available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More