CVE-2026-53341 fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh()

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

OESA-2025-2271 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: dochangetype now refuses to operate on unmounted mounts or mounts not belonging to the caller's mount namespace. This change aligns permission checking with the...

SUSE CVE-2013-1957

The clonemnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly restrict changes to the MNTREADONLY flag, which allows local users to bypass an intended read-only property of a filesystem by leveraging a separate mount namespace...