Race condition in Linux kernel - CVE-2026-90367
Published: September 18, 2026
Vulnerability identifier: #VU151123
CSH Severity: Low
CVSS v4: 5.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90367
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause descriptor or token corruption.
The vulnerability exists due to a race condition in mt7996_mac_reset_work() when an L1 SER races a channel switch. A local user can trigger an L1 SER while a channel switch is in progress to cause descriptor or token corruption.
Affected software
Linux kernel
How to mitigate CVE-2026-90367
Install security update from vendor's repository.