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 (Nessus ID 233595 / WID-SEC-2025-0453)
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 classified as problematic. Affected by this issue is the function __ip_rt_update_pmtu. Performing a manipulation results in information disclosure.
This vulnerability is identified as CVE-2025-21766. The attack can only be performed from the local network. There is not any exploit available.
Upgrading the affected component is recommended.