Missing Release of Resource after Effective Lifetime in Linux kernel - CVE-2026-89512

 

Missing Release of Resource after Effective Lifetime in Linux kernel - CVE-2026-89512

Published: September 12, 2026


Vulnerability identifier: #VU149296
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-2026-89512
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 missing release of a resource after effective lifetime in the scp_get function in drivers/remoteproc/mtk_scp.c when looking up SCP driver data before the driver has been bound. A local user can trigger a failed SCP driver-data lookup to cause a denial of service.


Affected software

Linux kernel

How to mitigate CVE-2026-89512

Install security update from vendor's repository.


External References

Related Security Bulletins