Tracker / CVE-2025-21766
CVE-2025-21766
High 8.1
In the Linux kernel, the following vulnerability has been resolved: ipv4: use RCU protection in __ip_rt_update_pmtu() __ip_rt_update_pmtu() must use RCU protection to make sure the net structure it reads does not disappear.
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 4.14.200 → 4.15 |
| linux | linux_kernel · 4.19.148 → 4.20 |
| linux | linux_kernel · 5.16 → 6.1.129 |
| linux | linux_kernel · 5.4.68 → 5.5 |
| linux | linux_kernel · 5.8.12 → 5.9 |
| linux | linux_kernel · 5.9.1 → 5.15.179 |
| linux | linux_kernel · 6.13 → 6.13.4 |
| linux | linux_kernel · 6.2 → 6.6.79 |
| linux | linux_kernel · 6.7 → 6.12.16 |
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.