A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.16.9. This issue affects the function fib_lookup_good_nhc of the component nexthop. This manipulation causes null pointer dereference.

This vulnerability is handled as CVE-2025-39980. The attack can only be done within the local network. There is not any exploit available.

It is advisable to upgrade the affected component.