Tracker / CVE-2026-23403
CVE-2026-23403
Medium 5.5
In the Linux kernel, the following vulnerability has been resolved: apparmor: fix memory leak in verify_header The function sets `*ns = NULL` on every call, leaking the namespace string allocated in previous iterations when multiple profiles are unpacked. This also breaks namespace consistency checking since *ns is always NULL when the comparison is made. Remove the incorrect assignment. The caller (aa_unpack) initializes *ns to NULL once before the loop, which is sufficient.
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 3.12.1 → 5.10.253 |
| linux | linux_kernel · 5.11 → 5.15.203 |
| linux | linux_kernel · 5.16 → 6.1.169 |
| linux | linux_kernel · 6.13 → 6.18.18 |
| linux | linux_kernel · 6.19 → 6.19.8 |
| linux | linux_kernel · 6.2 → 6.6.130 |
| linux | linux_kernel · 6.7 → 6.12.77 |
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.