CVE-2024-49907

CVE-2024-49907 : Linux kernel DRM/AMD display vulnerability where a NULL dereference can occur by dereferencing dc->clk_mgr in the idle-power path if it is NULL. The fix adds a NULL check before calling dc->hwss.apply_idle_power_optimizations (which may call dcn35_apply_idle_power_optimizat...

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...

CVE-2024-49906 drm/amd/display: Check null pointer before try to access it

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check null pointer before try to access it why & how Change the order of the pipectx-planestate check to ensure that planestate is not null before accessing it...

CVE-2024-49899 drm/amd/display: Initialize denominators' default to 1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Initialize denominators' default to 1 WHAT & HOW Variables used as denominators and maybe not assigned to other values, should not be 0. Change their default to 1 so they are never 0. This fixes 10 DIVIDEBYZERO...

CVE-2024-49899

CVE-2024-49899 affects the Linux kernel’s DRM AMD display code. The vulnerability arises from denominators that could be zero due to uninitialized defaults; the fix sets denominators’ default to 1 to prevent division by zero. This resolves 10 DIVIDE_BY_ZERO issues reported by Coverity. The linked...

CVE-2024-49899 drm/amd/display: Initialize denominators' default to 1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Initialize denominators' default to 1 WHAT & HOW Variables used as denominators and maybe not assigned to other values, should not be 0. Change their default to 1 so they are never 0. This fixes 10 DIVIDEBYZERO...

CVE-2024-49899 drm/amd/display: Initialize denominators' default to 1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Initialize denominators' default to 1 WHAT & HOW Variables used as denominators and maybe not assigned to other values, should not be 0. Change their default to 1 so they are never 0. This fixes 10 DIVIDEBYZERO...

CVE-2024-49898

CVE-2024-49898 affects the Linux kernel’s drm/amd/display component. The root cause is that drr_timing and subvp_pipe are initialized to null and are not consistently re-assigned before being dereferenced, leading to two FORWARD_NULL issues reported by Coverity. The issue is addressed by kernel f...

CVE-2024-49897 drm/amd/display: Check phantom_stream before it is used

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check phantomstream before it is used dcn32enablephantomstream can return null, so returned value must be checked before used. This fixes 1 NULLRETURNS issue reported by Coverity...

CVE-2024-49897 drm/amd/display: Check phantom_stream before it is used

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check phantomstream before it is used dcn32enablephantomstream can return null, so returned value must be checked before used. This fixes 1 NULLRETURNS issue reported by Coverity...

CVE-2024-49897 drm/amd/display: Check phantom_stream before it is used

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check phantomstream before it is used dcn32enablephantomstream can return null, so returned value must be checked before used. This fixes 1 NULLRETURNS issue reported by Coverity...

CVE-2024-49897

CVE-2024-49897 concerns the Linux kernel DRM/AMD display path. The issue arises in drm/amd/display where dcn32_enable_phantom_stream can return NULL, leading to a NULL dereference if the returned value is used without checks. The fix adds a check for phantom_stream before use, addressing a NULL_R...

CVE-2024-49896 drm/amd/display: Check stream before comparing them

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check stream before comparing them WHAT & HOW amdgpudm can pass a null stream to dcisstreamunchanged. It is necessary to check for null before dereferencing them. This fixes 1 FORWARDNULL issue reported by Coveri...

CVE-2024-49892 drm/amd/display: Initialize get_bytes_per_element's default to 1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Initialize getbytesperelement's default to 1 Variables, used as denominators and maybe not assigned to other values, should not be 0. bytesperelementy & bytesperelementc are initialized by getbytesperelement whic...

CVE-2024-49893 drm/amd/display: Check stream_status before it is used

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check streamstatus before it is used WHAT & HOW dcstategetstreamstatus can return null, and therefore null must be checked before streamstatus is used. This fixes 1 NULLRETURNS issue reported by Coverity...

CVE-2024-49893 drm/amd/display: Check stream_status before it is used

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check streamstatus before it is used WHAT & HOW dcstategetstreamstatus can return null, and therefore null must be checked before streamstatus is used. This fixes 1 NULLRETURNS issue reported by Coverity...

CVE-2024-49892 drm/amd/display: Initialize get_bytes_per_element's default to 1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Initialize getbytesperelement's default to 1 Variables, used as denominators and maybe not assigned to other values, should not be 0. bytesperelementy & bytesperelementc are initialized by getbytesperelement whic...

CVE-2024-49890

CVE-2024-49890 : Linux kernel fix for a NULL dereference in drm/amd/pm by ensuring fw_info is not NULL before use. The issue manifested as a null dereference warning reported by Coverity; the patch prevents dereferencing a NULL fw_info and thus mitigates the vulnerability as described in the entr...

SUSE CVE-2024-47704

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check linkres-hpodplinkenc before using it WHAT & HOW Functions dpenablelinkphy and dpdisablelinkphy can pass linkres without initializing hpodplinkenc and it is necessary to check for null before dereferencing...

CVE-2024-47683

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skip Recompute DSC Params if no Stream on Link why Encounter NULL pointer dereference uner mst + dsc setup. BUG: kernel NULL pointer dereference, address: 0000000000000008 PGD 0 P4D 0 Oops: 0000 1 PREEMPT SMP NOP...