Tracker / CVE-2026-43403
CVE-2026-43403
High 8.8
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 and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 6.12 → 6.12.78 |
| linux | linux_kernel · 6.13 → 6.18.20 |
| linux | linux_kernel · 6.19 → 6.19.9 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.