Improper resource shutdown or release in Linux kernel - CVE-2026-89889
Published: September 17, 2026
Vulnerability identifier: #VU150397
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-89889
CWE-ID: CWE-404
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a runtime PM reference leak.
The vulnerability exists due to improper resource release in the imx415_s_ctrl VBLANK control path when handling VBLANK control operations. A local user can cause VMAX programming to fail after a runtime PM reference is acquired to cause a runtime PM reference leak.
The issue occurs only when programming the VMAX register fails.
Affected software
Linux kernel
How to mitigate CVE-2026-89889
Install security update from vendor's repository.