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...

CVE-2025-21990

This CVE affects the Linux kernel DRM/AMDGPU path. The vulnerability arises when determining GFX12 page table entry (PTE) flags for BOs (backing stores). Specifically, PRT BOs may have no backing store, making bo->tbo.resource NULL. If this NULL is dereferenced, it can lead to a crash or other...

CVE-2025-21990

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...

CVE-2025-21990: NULL Pointer Dereference

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...

PT-2025-14487

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...