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...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fanotify: Validate the return value of mntnsfromdentry before dereferencing it. The function dofanotifymark does not validate whether mntnsfromdentry returns NULL before dereferencing mntns-userns. This causes a NULL pointer...

Linux Distros Unpatched Vulnerability : CVE-2025-40195

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mount: handle NULL values in mntnsrelease When calling in listmount mntnsrelease may be passed a NULL pointer. Handle that case gracefully. CVE-2025-40195 Note...

CVE-2025-40195

In the Linux kernel, the following vulnerability has been resolved: mount: handle NULL values in mntnsrelease When calling in listmount mntnsrelease may be passed a NULL pointer. Handle that case gracefully...

CVE-2025-40072 fanotify: Validate the return value of mnt_ns_from_dentry() before dereferencing

In the Linux kernel, the following vulnerability has been resolved: fanotify: Validate the return value of mntnsfromdentry before dereferencing The function dofanotifymark does not validate if mntnsfromdentry returns NULL before dereferencing mntns-userns. This causes a NULL pointer dereference i...