CVE-2026-68114 drm/amdgpu/gfx12.1: replace BUG_ON() with WARN_ON()

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/gfx12.1: replace BUGON with WARNON There's no need to crash the kernel for these cases. cherry picked from commit e4d99e04b2e9b13b97d3b17804c735f62689db23...

DEBIAN-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...

UBUNTU-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 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...