CVE-2025-21897 | Linux Kernel up to 6.12.17/6.13.5 sched_ext pick_task_scx deadlock (Nessus ID 250071 / WID-SEC-2025-0683)
A vulnerability was found in Linux Kernel up to 6.12.17/6.13.5 and classified as critical. The impacted element is the function pick_task_scx of the component sched_ext. The manipulation results in deadlock.
This vulnerability was named CVE-2025-21897. The attack needs to be approached within the local network. There is no available exploit.
It is suggested to upgrade the affected component.