CVE-2025-21657 | Linux Kernel up to 6.12.9 kernel/sched/sched.h rq_lock privilege escalation (WID-SEC-2025-0155)
A vulnerability marked as problematic has been reported in Linux Kernel up to 6.12.9. Affected by this issue is the function rq_lock in the library kernel/sched/sched.h. The manipulation leads to privilege escalation.
This vulnerability is uniquely identified as CVE-2025-21657. The attack can only be initiated within the local network. No exploit exists.
It is suggested to upgrade the affected component.