The vulnerability of Linux operating system’s DRM/amdgpu kernel components, which allows a hacker to trigger a service failure

The vulnerability of DRM/AMDGPU cores in the Linux operating system is related to incorrect resource blocking. Exploiting this vulnerability can allow a hacker to cause service failures...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-49053: scsi: target: tcmu: Fix possible page UAF bsc1237918. CVE-2022-49465: blk-throttle: Set BIOTHROTTLED when bio has been throttled bsc1238919...

SUSE CVE-2025-21987

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: init return value in amdgputtmclearbuffer Otherwise an uninitialized value can be returned if amdgpurescleared returns true for all regions. Possibly closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3812 cherry...

SUSE 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...

SUSE CVE-2025-21956

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Assign normalizedpixclk when color depth = 14 WHY & HOW A warning message "WARNING: CPU: 4 PID: 459 at ... /dcresource.c:3397 calculatephypixclks+0xef/0x100 amdgpu" occurs because the displaycolordepth ==...

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...

CVE-2025-21989

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix missing .istwopixelspercontainer Starting from 6.11, AMDGPU driver, while being loaded with amdgpu.dc=1, due to lack of .istwopixelspercontainer function in dce60tgfuncs, causes a NULL pointer dereference on...

CVE-2025-21987

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: init return value in amdgputtmclearbuffer Otherwise an uninitialized value can be returned if amdgpurescleared returns true for all regions. Possibly closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3812 cherry...

DEBIAN-CVE-2025-21989

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix missing .istwopixelspercontainer Starting from 6.11, AMDGPU driver, while being loaded with amdgpu.dc=1, due to lack of .istwopixelspercontainer function in dce60tgfuncs, causes a NULL pointer dereference on...

DEBIAN-CVE-2025-21987

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: init return value in amdgputtmclearbuffer Otherwise an uninitialized value can be returned if amdgpurescleared returns true for all regions. Possibly closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3812 cherry...

UBUNTU-CVE-2025-21987

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: init return value in amdgputtmclearbuffer Otherwise an uninitialized value can be returned if amdgpurescleared returns true for all regions. Possibly closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3812 cherry...

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...

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 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-2025-21989 drm/amd/display: fix missing .is_two_pixels_per_container

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix missing .istwopixelspercontainer Starting from 6.11, AMDGPU driver, while being loaded with amdgpu.dc=1, due to lack of .istwopixelspercontainer function in dce60tgfuncs, causes a NULL pointer dereference on...

CVE-2025-21989

CVE-2025-21989 - Linux kernel (drm/amd/display, AMDGPU) The vulnerability stems from a missing .is_two_pixels_per_container function in dce60_tg_funcs when the AMDGPU driver loads with amdgpu.dc=1 (starting with kernel 6.11). This can cause a NULL pointer dereference on older GPUs (e.g., R9 280X)...

CVE-2025-21989 drm/amd/display: fix missing .is_two_pixels_per_container

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix missing .istwopixelspercontainer Starting from 6.11, AMDGPU driver, while being loaded with amdgpu.dc=1, due to lack of .istwopixelspercontainer function in dce60tgfuncs, causes a NULL pointer dereference on...

CVE-2025-21987 drm/amdgpu: init return value in amdgpu_ttm_clear_buffer

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: init return value in amdgputtmclearbuffer Otherwise an uninitialized value can be returned if amdgpurescleared returns true for all regions. Possibly closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3812 cherry...

CVE-2025-21987

CVE-2025-21987: In Linux kernel DRM/AMDGPU, the bug is in init return value in amdgpu_ttm_clear_buffer; an uninitialized value could be returned if amdgpu_res_cleared returns true for all regions. The issue has been fixed via a cherry-picked commit (commit 7c62aacc3b452f73a1284198c81551035fac6d71...