UBUNTU-CVE-2026-97971

In the Linux kernel, the following vulnerability has been resolved: nstree: check listing permission before taking a namespace reference legitimizens takes a reference on the candidate namespace before maylistns has decided whether the caller may see it. The freensput cleanup on the denied path c...

CVE-2026-97971

The Linux kernel is vulnerable to a race condition where legitimize_ns() takes a reference on a candidate namespace before may_list_ns() determines if the caller has permission to see it. This can lead to the __free(ns_put) cleanup dropping the last reference to a mount namespace while holding an...

CVE-2026-97971: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nstree: check listing permission before taking a namespace reference legitimizens takes a reference on the candidate namespace before maylistns has decided whether the caller may see it. The freensput cleanup on the denied path c...