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-2026-89519 sched_ext: Replace SCX_RQ_BAL_KEEP with a dispatch verdict return

In the Linux kernel, the following vulnerability has been resolved: schedext: Replace SCXRQBALKEEP with a dispatch verdict return SCXRQBALKEEP tells the pick to keep running the previous task, a leftover from when balancing and picking were separate operations. An rq-level flag only works while...

CVE-2026-89519

CVE-2026-89519 affects the Linux kernel's sched_ext (extensible scheduler) subsystem. The root cause is that SCX_RQ_BAL_KEEP , an rq-level flag used to tell the picker to keep running the previous task, becomes stale under core scheduling : because selections interleave through dispatch lock drop...

CVE-2026-89519: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: schedext: Replace SCXRQBALKEEP with a dispatch verdict return SCXRQBALKEEP tells the pick to keep running the previous task, a leftover from when balancing and picking were separate operations. An rq-level flag only works while...