Threats tagged 'ghsa-mqg8-58gq-6w7m'

A use-after-free vulnerability in the Linux kernel's sched_ext subsystem was fixed. The flaw involved a deferred reenqueue operation that could access a destroyed user Deferred Scheduling Queue (DSQ) after it was freed. This occurred because the grace period mechanism did not wait for pending deferred reenqueue operations, allowing a race condition where freed memory could be accessed.