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. CREATE(Triage):(User=admin) CVE-2025-21766 (https://nvd.nist.gov/vuln/detail/CVE-2025-21766)
