CVE-2026-99065

The Linux kernel is affected by a CPU hotplug race condition within the cgroup/cpuset subsystem, specifically in the guarantee_active_cpus() function. The issue arises during CPU offline operations because the cpu_active_mask is updated in sched_cpu_deactivate() before cpuset_handle_hotplug() can...

CVE-2026-99065

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: Handle cpu hotplug race in guaranteeactivecpus With commit 2125c0034c5d "cgroup/cpuset: Make cpuset hotplug processing synchronous", the cpuset hotplug operation becomes synchronous. That commit also removes the co...