NetSight
IP …
high8.1

CVE-2025-21766

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 protec…

Impact

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

VendorProductAffected versions
LinuxLinux Kernel
from 4.14.200 before 4.15
from 4.19.148 before 4.20
from 5.4.68 before 5.5
from 5.8.12 before 5.9
from 5.9.1 before 5.15.179
from 5.16 before 6.1.129

References