CVE-2026-64298 | Linux Kernel up to 7.2-rc2 NFSv4 nfs_open_permission_mask improper authorization

A vulnerability, which was classified as very critical, was found in Linux Kernel up to 7.2-rc2. Affected by this issue is the function nfs_open_permission_mask of the component NFSv4. Executing a manipulation can lead to improper authorization.

This vulnerability appears as CVE-2026-64298. The attack may be performed from remote. There is no available exploit.

You should upgrade the affected component.