kernel: fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh()

A flaw was found in the Linux kernel. This vulnerability, a Use-After-Free UAF, occurs in the fhandle component when the maydecodefh function accesses mount namespace information without proper locking. This creates a race condition that could be exploited by an attacker. The most severe...

UBUNTU-CVE-2026-53341

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...

CVE-2026-53341

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...

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...

CVE-2026-53341: Use After Free

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...

Linux Distros Unpatched Vulnerability : CVE-2025-38306

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: fs/fhandle.c: fix a race in call of haslockedchildren maydecodefh is calling haslockedchildr...

DEBIAN-CVE-2025-38306

In the Linux kernel, the following vulnerability has been resolved: fs/fhandle.c: fix a race in call of haslockedchildren maydecodefh is calling haslockedchildren while holding no locks. That's an oopsable race... The rest of the callers are safe since they are holding namespacesem and are...