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CVE-2026-43403

HIGH CVSS: 8.8 Published: 2026-05-08 Modified: 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: nsfs: tighten permission checks for ns iteration ioctls 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.

Affected Platforms

Linux Linux Kernel

Weakness Type

NVD-CWE-noinfo

References