CVE-2026-31734

A flaw was found in the Linux kernel's schedext component. An incorrect check for migration-disabled tasks on systems without CONFIGPREEMPTRCU enabled could lead to a task being dispatched to a remote CPU. This can trigger an scxerror in taskcanrunonremoterq, resulting in a Denial of Service...

The vulnerability of the sched_ext component of the pick_task_scx function in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the schedext component in the picktaskscx function of the Linux operating system is related to mutual blocking of execution threads. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...