Improper initialization in Linux kernel - CVE-2026-89828

 

Improper initialization in Linux kernel - CVE-2026-89828

Published: September 17, 2026


Vulnerability identifier: #VU150457
CSH Severity: Low
CVSS v4: 5.6 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-89828
CWE-ID: CWE-665
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 initialization in amdgpu_vram_mgr_init() when cgroup region registration fails during module loading. A local privileged user can load the module under conditions causing cgroup region registration to fail to cause a denial of service.


Affected software

Linux kernel

How to mitigate CVE-2026-89828

Install security update from vendor's repository.


External References

Related Security Bulletins