CVE-2026-89753

A flaw was found in the Linux kernel's memory management subsystem. The shrinklruvec function, responsible for memory reclaim, fails to properly report Read-Copy-Update RCU task quiescent states on systems with preemption enabled. This can lead to RCU task stalls, causing system unresponsiveness ...

PT-2026-96587

In the Linux kernel, the following vulnerability has been resolved: mm/vmscan: report RCU-tasks quiescent states in shrink lruvec I am seeing some rcu tasks stalls in the Meta fleet during reclaim. INFO: rcu tasks detected stalls on tasks: 0000000088620d09: .. nvcsw: 6735/6735 holdout: 1 idle cpu...