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CVE-2026-43390
MEDIUM · CVSS 5.5
EPSS exploitation probability: 0%
Published 2026-05-08T15:16:50.387 · Last modified 2026-06-17T10:49:30.523

Summary

In the Linux kernel, the following vulnerability has been resolved: nstree: tighten permission checks for listing 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.