Linux Distros Unpatched Vulnerability : CVE-2026-89519

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - schedext: Replace SCXRQBALKEEP with a dispatch verdict return SCXRQBALKEEP tells the pick to keep running the previous task, a leftover from when balancing and...

CVE-2026-89521

A flaw was found in the Linux kernel's core scheduling component. This issue occurs when the picktask function releases the run queue rq lock, allowing an interleaving selection to invalidate the scheduler's internal state. This inconsistency can lead to incorrect task selection and skewed resour...

DEBIAN-CVE-2026-89520

In the Linux kernel, the following vulnerability has been resolved: sched/core: Make core-sched flips wait for in-flight selections Core scheduling's picknexttask operates on all sibling rqs under one acquisition of the shared core-wide lock. A -picktask that releases the rq lock leaves every...

CVE-2026-89521

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...

CVE-2026-89521

CVE-2026-89521 affects the Linux kernel's core scheduling subsystem. When a ->pick_task() implementation releases the run queue (rq) lock, the selection state derived in pick_next_task() becomes invalid, allowing an interleaving selection to commit an incorrect (uncookied) pick or skew forceid...

PT-2026-90237

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in core scheduling where the pick next task function fails when a pick task implementation releases the rq lock. The selection state established at the start is only vali...