Linux Kernel Vulnerability in Runqueue Management by Vendor
CVE-2025-38522

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 16 August 2025

What is CVE-2025-38522?

A vulnerability has been identified in the Linux kernel that allows for unsafe handling of the runqueue pointer (rq) within preemptible contexts. Specifically, the risk arises when invoking the update_locked_rq() function with a NULL rq, leading to potential system instability. The mitigation involves ensuring that update_locked_rq() is called only when rq is valid, hence safeguarding against the risks associated with invoking certain operations in preemptible conditions. These fixes enhance the reliability and security of Linux systems.

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