Race condition in Linux kernel - CVE-2026-80953
Published: September 12, 2026
Vulnerability identifier: #VU149433
CSH Severity: Low
CVSS v4: 1.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80953
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local privileged user to cause a denial of service.
The vulnerability exists due to a race condition in the ADI I3C master driver's transfer queue lock initialization when handling a pending CMDR interrupt during driver initialization. A local privileged user can trigger a pending CMDR interrupt before the transfer queue lock is initialized to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-80953
Install security update from vendor's repository.