Detections
Analytics
CVE-2026-43391
high
Description
In the Linux kernel, the following vulnerability has been resolved: nsfs: tighten permission checks for handle opening Even privileged services should not necessarily be able to see other privileged service's namespaces so they can't leak information to each other. Use may_see_all_namespaces() helper that centralizes this policy until the nstree adapts.
References
https://git.kernel.org/stable/c/d2324a9317f00013facb0ba00b00440e19d2af5e
https://git.kernel.org/stable/c/1797ee11451f1b2be69863a9f5bd43b948813fdf