CVE-2026-74619 | Linux Kernel up to 6.6.151/6.12.103/6.18.44/7.1.8 overlayfs fs/overlayfs/super.c ovl_fill_super user_ns improper authorization

A vulnerability was found in Linux Kernel up to 6.6.151/6.12.103/6.18.44/7.1.8. It has been declared as very critical. The affected element is the function ovl_fill_super of the file fs/overlayfs/super.c of the component overlayfs. Such manipulation of the argument user_ns leads to improper authorization.

This vulnerability is referenced as CVE-2026-74619. It is possible to launch the attack remotely. No exploit is available.

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