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...

Linux sched_ext Component DoS

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...