CVE-2026-78409 | Red Hat Enterprise Linux X-mount open_tree subdir privileges management

A vulnerability classified as very critical has been found in Red Hat Enterprise Linux, Hardened Images and OpenShift Container Platform. This impacts the function open_tree of the component X-mount. Performing a manipulation of the argument subdir results in improper privilege management.

This vulnerability is reported as CVE-2026-78409. The attack requires a local approach. No exploit exists.VulDB Recent EntriesRead More