cvedb.io
CVE-2026-43403
HIGH · CVSS 8.8
EPSS exploitation probability: 0%
Published 2026-05-08T15:16:51.783 · Last modified 2026-06-17T10:49:31.833

Summary

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 products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.