Improper control of a resource through its lifetime in Linux kernel - CVE-2026-89866
Published: September 17, 2026
Vulnerability identifier: #VU150423
CSH Severity: Low
CVSS v4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-89866
CWE-ID: CWE-664
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper runtime power-state handling in the Wave5 VPU decoder EOS handling when setting the EOS flag while the device is runtime suspended. A local user can issue a V4L2 stop command or stream-off operation to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-89866
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3