Detections
Analytics
CVE-2026-43403
high
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.
References
https://git.kernel.org/stable/c/e6b899f08066e744f89df16ceb782e06868bd148
https://git.kernel.org/stable/c/3376b345df155ca36d8611857b41ff7d5183fc38
https://git.kernel.org/stable/c/2f3dea284c761c890d676f77d5e55c0c496b4ef4
https://git.kernel.org/stable/c/0ad650e60150eda789deca5e78a6a09d26bf8fc9