CVE-2026-64211

A flaw was found in the Linux kernel. During certain CPU state transitions, the kernel's srcustruct mechanism may attempt to schedule tasks on processors that are not active or will never be online. This incorrect scheduling of workqueue handlers can lead to system unresponsiveness, specifically...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: srcu: Delegating tasks to the booting CPU when using SRCUSIZESMALL. The commit 994f706872e6 “srcu: Making the Tree SRCU capable of operating without the snpnode array” assumes that CPU 0 is always online. However, there are...