CVE-2025-21766 | Linux Kernel up to 6.1.128/6.6.78/6.12.15/6.13.3/6.14-rc2 __ip_rt_update_pmtu information disclosure
A vulnerability was found in Linux Kernel up to 6.1.128/6.6.78/6.12.15/6.13.3/6.14-rc2. It has been declared as problematic. This vulnerability affects the function __ip_rt_update_pmtu. The manipulation leads to information disclosure.
This vulnerability was named CVE-2025-21766. Access to the local network is required for this attack to succeed. There is no exploit available.
It is recommended to upgrade the affected component.