CVE-2025-21990: drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags
PRT BOs may not have any backing store, so bo->tbo.resource will be NULL. Check for that before dereferencing.
(cherry picked from commit 3e3fcd29b505cebed659311337ea03b7698767fc)
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-21990?
CVE-2025-21990 is classified as a high-severity vulnerability due to its potential impact on system stability and security.
How do I fix CVE-2025-21990?
To fix CVE-2025-21990, update your Linux kernel to the latest version where the vulnerability is patched.
What systems are affected by CVE-2025-21990?
CVE-2025-21990 affects specific versions of the Linux kernel that handle DRM and AMD GPU functionalities.
What are the potential impacts of CVE-2025-21990?
Exploitation of CVE-2025-21990 can lead to system crashes or instability when handling graphics resources.
Who is responsible for addressing vulnerabilities like CVE-2025-21990?
Maintainers of the Linux kernel and system administrators are responsible for addressing vulnerabilities like CVE-2025-21990 by applying updates.