Race condition in Linux kernel - CVE-2026-80872
Published: September 5, 2026
Vulnerability identifier: #VU147041
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80872
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 race condition that accesses driver-private state during teardown.
The vulnerability exists due to a race condition in the TAS2781 HDA I2C and SPI drivers when an asynchronous firmware callback runs after component unbinding has begun. A local user can initiate component unbinding while an asynchronous firmware request is pending to cause a race condition that accesses driver-private state during teardown.
Affected software
Linux kernel
How to mitigate CVE-2026-80872
Install security update from vendor's repository.