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-2024-49907 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-2024-49907 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-2024-49896 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-2024-47704

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-2024-47704 drm/amd/display: Check link_res->hpo_dp_link_enc before using it

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-2024-47704 drm/amd/display: Check link_res->hpo_dp_link_enc before using it

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-2024-49907: NULL Pointer Dereference

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-2024-49896: NULL Pointer Dereference

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...