CVE-2026-43326

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix SCXKICKWAIT deadlock by deferring wait to balance callback SCXKICKWAIT busy-waits in kickcpusirqworkfn using smpcondloadacquire until the target CPU's kicksync advances. Because the irqwork runs in hardirq context,...

Linux Distros Unpatched Vulnerability : CVE-2025-21897

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: schedext: Fix picktaskscx picking non-queued tasks when it's called without balance...

The vulnerability of the sched_ext component of the pick_task_scx function in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the schedext component in the picktaskscx function of the Linux operating system is related to mutual blocking of execution threads. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

DEBIAN-CVE-2025-21897

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix picktaskscx picking non-queued tasks when it's called without balance a6250aa251ea "schedext: Handle cases where picktaskscx is called without preceding balancescx" added a workaround to handle the cases where...

UBUNTU-CVE-2025-21897

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix picktaskscx picking non-queued tasks when it's called without balance a6250aa251ea "schedext: Handle cases where picktaskscx is called without preceding balancescx" added a workaround to handle the cases where...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an issue with picktaskscx selecting non-queued tasks without balance...

PT-2025-14278 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, related to the pick task scx function picking non-queued tasks when called without balance. The issue arises from a fair class bu...