Missing Release of Resource after Effective Lifetime in Linux kernel - CVE-2026-89867
Published: September 17, 2026
Vulnerability identifier: #VU150424
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-89867
CWE-ID: CWE-772
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 a missing release of a shared v4l2_m2m job slot in wave5_vpu_dec_device_run() when a queued decoder job runs after the instance enters the STOP state during draining. A local user can queue a decoder job that runs after the decoder enters the STOP state to cause a denial of service.
The condition affects decoder instances sharing a VPU during end-of-stream handling.
Affected software
Linux kernel
How to mitigate CVE-2026-89867
Install security update from vendor's repository.