CVE-2026-89521 sched/core: Handle pick_task() releasing the rq lock

In the Linux kernel, the following vulnerability has been resolved: sched/core: Handle picktask releasing the rq lock Core scheduling's picknexttask breaks when a -picktask implementation can release the rq lock. The selection state derived on entry is only valid while the lock is held...

kernel security update

CentOS Errata and Security Advisory CESA-2006:0575 Updated kernel packages are now available as part of ongoing support and maintenance of Red Hat Enterprise Linux version 4. This update has been rated as having important security impact by the Red Hat Security Response Team. The Linux kernel...

Important: Red Hat Security Advisory: Updated kernel packages available for Red Hat Enterprise Linux 4 Update 4

Updated kernel packages are now available as part of ongoing support and maintenance of Red Hat Enterprise Linux version 4. This update has been rated as having important security impact by the Red Hat Security Response Team. The Linux kernel handles the basic functions of the operating system...