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

CVE-2024-47704 affects the Linux kernel in the drm/amd/display path. The issue arises when dp_enable_link_phy/dp_disable_link_phy pass link_res without initializing hpo_dp_link_enc, leading to null dereference (two forward_null issues). The connected Nessus/NASL entries confirm the vulnerability ...

CVE-2024-47683 drm/amd/display: Skip Recompute DSC Params if no Stream on Link

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...

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...

CVE-2024-47683 drm/amd/display: Skip Recompute DSC Params if no Stream on Link

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...

CVE-2024-47683 drm/amd/display: Skip Recompute DSC Params if no Stream on Link

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...

CVE-2024-47683

CVE-2024-47683 affects the Linux kernel’s DRM/AMD display path. The issue is a NULL pointer dereference during MST/DSC setup when a mode change is not detected; the fix is to skip recomputing DSC parameters if there is no stream on the link, with further checks to confirm whether the stream is al...

CVE-2024-49972: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Deallocate DML memory if allocation fails Why When DC state create DML memory allocation fails, memory is not deallocated subsequently, resulting in uninitialized structure that is not NULL. How Deallocate memory...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an out-of-bounds access to the dummyboolean array in the drm/amd/display subsystem, which could cause the...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the use of uninitialized variables in the drm/amd/display driver, which could lead to null pointer...

PT-2024-33738

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability has been resolved in the Linux kernel, specifically in the drm/amd/display component. The issue involves null-initialized variables drr timing and subvp pipe, which are...

CVE-2024-49923: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Pass non-null to dcn20validateapplypipesplitflags WHAT & HOW "dcn20validateapplypipesplitflags" dereferences merge, and thus it cannot be a null pointer. Let's pass a valid pointer to avoid null dereference. This...

CVE-2024-49918: NULL Pointer Dereference

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-2024-50049: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check null pointer before dereferencing se WHAT & HOW se is null checked previously in the same function, indicating it might be null; therefore, it must be checked when used again. This fixes 1 FORWARDNULL issue...

CVE-2024-50004: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: update DML2 policy EnhancedPrefetchScheduleAccelerationFinal DCN35 WHY & HOW Mismatch in DCN35 DML2 cause bw validation failed to acquire unexpected DPP pipe to cause grey screen and system hang. Remove...

CVE-2024-50003: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix system hang while resume with TBT monitor Why Connected with a Thunderbolt monitor and do the suspend and the system may hang while resume. The TBT monitor HPD will be triggered during the resume procedure an...

CVE-2024-49989: Double Free

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix double free issue during amdgpu module unload Flexible endpoints use DIGs from available inflexible endpoints, so only the encoders of inflexible links need to be freed. Otherwise, a double free issue may occ...

CVE-2024-49892: Divide By Zero

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-2024-49970: Improper Validation of Array Index

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Implement bounds check for stream encoder creation in DCN401 'streamencregs' array is an array of dcn10streamencregisters structures. The array is initialized with four elements, corresponding to the four calls t...