CVE-2024-49921 drm/amd/display: Check null pointers before used

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check null pointers before used WHAT & HOW Poniters, such as dc-clkmgr, are null checked previously in the same function, so Coverity warns "implies that "dc-clkmgr" might be null". As a result, these pointers ne...

CVE-2024-49922

The CVE-2024-49922 entry concerns the Linux kernel DRM AMD display driver. The issue arises from using pointers that may be NULL in a path where they had been validated earlier in the same function, triggering null-pointer handling after use. The vulnerability is mitigated by a fix that adds null...

CVE-2024-49920 drm/amd/display: Check null pointers before multiple uses

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check null pointers before multiple uses WHAT & HOW Poniters, such as streamenc and dc-bwvbios, are null checked previously in the same function, so Coverity warns "implies that streamenc and dc-bwvbios might be...

CVE-2024-49920

The CVE-2024-49920 entry concerns the Linux kernel DRM/AMD display subsystem. The vulnerability arises from a null-pointer risk in the AMD display path, where pointers such as stream_enc and dc->bw_vbios are used multiple times after a check that is only performed earlier in the function. The ...

CVE-2024-49919 drm/amd/display: Add null check for head_pipe in dcn201_acquire_free_pipe_for_layer

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null check for headpipe in dcn201acquirefreepipeforlayer This commit addresses a potential null pointer dereference issue in the dcn201acquirefreepipeforlayer function. The issue could occur when headpipe is...

CVE-2024-49918 drm/amd/display: Add null check for head_pipe in dcn32_acquire_idle_pipe_for_head_pipe_in_layer

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null check for headpipe in dcn32acquireidlepipeforheadpipeinlayer This commit addresses a potential null pointer dereference issue in the dcn32acquireidlepipeforheadpipeinlayer function. The issue could occur...

CVE-2024-49919

CVE-2024-49919 describes a null pointer dereference in the Linux kernel DRM AMD display path. Specifically, in dcn201_acquire_free_pipe_for_layer, the code could assume head_pipe was non-null and perform an assertion when it was null. The fix adds an explicit null check for head_pipe and, if it i...

CVE-2024-49917 drm/amd/display: Add NULL check for clk_mgr and clk_mgr->funcs in dcn30_init_hw

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add NULL check for clkmgr and clkmgr-funcs in dcn30inithw This commit addresses a potential null pointer dereference issue in the dcn30inithw function. The issue could occur when dc-clkmgr or dc-clkmgr-funcs is...

CVE-2024-49916

CVE-2024-49916 affects the Linux kernel’s drm/amd/display code (dcn401_init_hw). The root cause is a potential null pointer dereference when dc->clk_mgr or dc->clk_mgr->funcs is null. The fix adds explicit null checks before dereferencing clk_mgr/clk_mgr->funcs, preventing dereference...

CVE-2024-49914 drm/amd/display: Add null check for pipe_ctx->plane_state in dcn20_program_pipe

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null check for pipectx-planestate in dcn20programpipe This commit addresses a null pointer dereference issue in the dcn20programpipe function. The issue could occur when pipectx-planestate is null. The fix ad...

CVE-2024-49914

CVE-2024-49914 affects the Linux kernel DRM/AMD display path. A null pointer dereference could occur in dcn20_program_pipe when pipe_ctx->plane_state is null; a patch adds a guard to verify pipe_ctx->plane_state is non-null before access. This stabilizes display pipe programming and prevent...

CVE-2024-49915

CVE-2024-49915 concerns the Linux kernel DRM AMD display driver. A null pointer dereference could occur in drm/amd/display during dcn32_init_hw if dc->clk_mgr is null. The fix adds an explicit NULL check before invoking clk_mgr functions, preventing dereferencing a null pointer. Public referen...

CVE-2024-49913 drm/amd/display: Add null check for top_pipe_to_program in commit_planes_for_stream

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null check for toppipetoprogram in commitplanesforstream This commit addresses a null pointer dereference issue in the commitplanesforstream function at line 4140. The issue could occur when toppipetoprogram ...

CVE-2024-49913

CVE-2024-49913 affects the Linux kernel’s DRM AMD display path. The issue was a potential NULL pointer dereference in commit_planes_for_stream when top_pipe_to_program could be NULL, leading to dereferencing stream_res. The fix adds a null check before accessing top_pipe_to_program to prevent the...

CVE-2024-49912 drm/amd/display: Handle null 'stream_status' in 'planes_changed_for_existing_stream'

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Handle null 'streamstatus' in 'planeschangedforexistingstream' This commit adds a null check for 'streamstatus' in the function 'planeschangedforexistingstream'. Previously, the code assumed 'streamstatus' could ...

CVE-2024-49911 drm/amd/display: Add NULL check for function pointer in dcn20_set_output_transfer_func

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add NULL check for function pointer in dcn20setoutputtransferfunc This commit adds a null check for the setoutputgamma function pointer in the dcn20setoutputtransferfunc function. Previously, setoutputgamma was...

CVE-2024-49912 drm/amd/display: Handle null 'stream_status' in 'planes_changed_for_existing_stream'

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Handle null 'streamstatus' in 'planeschangedforexistingstream' This commit adds a null check for 'streamstatus' in the function 'planeschangedforexistingstream'. Previously, the code assumed 'streamstatus' could ...

CVE-2024-49912

The CVE-2024-49912 entry concerns a Linux kernel DRM/AMD display issue. A null pointer dereference risk existed in drm/amd/display within planes_changed_for_existing_stream when stream_status could be null. The published fix adds a null check for stream_status in planes_changed_for_existing_strea...

CVE-2024-49908

CVE-2024-49908: In the Linux kernel, the AMDGPU display driver (amdgpu_dm) had a missing null check for theafb in amdgpu_dm_update_cursor, risking a null pointer dereference. The fix adds a null check and moves the check to the point of use (line where afb is accessed). Affects drm/amd/display co...

CVE-2024-49907 drm/amd/display: Check null pointers before using dc->clk_mgr

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check null pointers before using dc-clkmgr WHY & HOW dc-clkmgr is null checked previously in the same function, indicating it might be null. Passing "dc" to "dc-hwss.applyidlepoweroptimizations", which dereferenc...