CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 8.8. It affects Linux.
CVE
CVE-2026-43391
Severity
HIGH
CVSS
8.8
EPSS
0.12%
Linux
Original NVD 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.
Related CVEs
Other vulnerabilities affecting the same vendor(s)