Race condition in Linux kernel - CVE-2026-90001

 

Race condition in Linux kernel - CVE-2026-90001

Published: September 16, 2026


Vulnerability identifier: #VU150289
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90001
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to cause a use-after-free condition.

The vulnerability exists due to a race condition in HID BPF struct_ops device reference release when device destruction races with BPF link release. A local user can trigger concurrent device destruction and BPF link release to cause a use-after-free condition.


Affected software

Linux kernel

How to mitigate CVE-2026-90001

Install security update from vendor's repository.


External References

Related Security Bulletins