CVE-2025-40195

In the Linux kernel, the following vulnerability has been resolved:

mount: handle NULL values in mnt_ns_release()

When calling in listmount() mnt_ns_release() may be passed a NULL
pointer. Handle that case gracefully.

More information : https://git.kernel.org/stable/c/2d68f8a7379d9c61005e982600c61948d4d019bd