Missing Release of Resource after Effective Lifetime in Linux kernel - CVE-2026-89572
Published: September 12, 2026
Vulnerability identifier: #VU149230
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-89572
CWE-ID: CWE-772
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 improper resource cleanup in the Apple SoC CPU frequency driver when initializing or exiting CPU frequency policies. A local privileged user can trigger repeated CPU frequency policy initialization failures to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-89572
Install security update from vendor's repository.