CVE-2025-21990

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue concerns a NULL-check in the Linux kernel's drm/amdgpu component when determining GFX12 PTE flags. Specifically, PRT BOs may not have any backing store, resulting in a NULL bo->tbo.resource. The fix involves checking for this condition before dereferencing. No information is provided about the estimated number of potentially affected devices or real-world incidents.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.