Race condition in Linux kernel - CVE-2026-93150

 

Race condition in Linux kernel - CVE-2026-93150

Published: September 18, 2026


Vulnerability identifier: #VU150850
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-93150
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to cause incorrect operations.

The vulnerability exists due to a race condition in the cpuset subsystem's nr_deadline_tasks counter when concurrent scheduler-policy changes and cpuset attachment operations update the counter. A local user can perform concurrent scheduler-policy and cpuset attachment operations to cause incorrect operations.


Affected software

Linux kernel

How to mitigate CVE-2026-93150

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins