CVE-2026-63968 | Linux Kernel up to 7.0.11 Ipv6 fib6_select_path fib6_siblings/fib6_nsiblings infinite loop
A vulnerability was found in Linux Kernel up to 6.1.175/6.6.142/6.12.92/6.18.34/7.0.11. It has been classified as critical. This affects the function fib6_select_path of the component Ipv6. The manipulation of the argument fib6_siblings/fib6_nsiblings leads to infinite loop.
This vulnerability is traded as CVE-2026-63968. It is possible to initiate the attack remotely. There is no exploit available.
Upgrading the affected component is recommended.