Tracker / CVE-2026-22999
CVE-2026-22999
High 7.8
In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_qfq: do not free existing class in qfq_change_class() Fixes qfq_change_class() error case. cl->qdisc and cl should only be freed if a new class and qdisc were allocated, or we risk various UAF.
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 3.8 → 5.10.249 |
| linux | linux_kernel · 5.11 → 5.15.199 |
| linux | linux_kernel · 5.16 → 6.1.162 |
| linux | linux_kernel · 6.13 → 6.18.7 |
| linux | linux_kernel · 6.2 → 6.6.122 |
| linux | linux_kernel · 6.7 → 6.12.67 |
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.