A vulnerability classified as critical has been found in Linux Kernel up to 6.1.128/6.6.78/6.12.15/6.13.3/6.14-rc2. This affects the function
__neigh_notify of the component neighbour. The manipulation leads to use after free.
This vulnerability is uniquely identified as CVE-2025-21763. The attack can only be done within the local network. There is no exploit available.
It is recommended to upgrade the affected component.
