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 Linux kernel that stems from a failure of the drm/amd/display module to check if a stream is NULL before comparing streams, which could resul...

CVE-2024-49908: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null check for 'afb' in amdgpudmupdatecursor v2 This commit adds a null check for the 'afb' variable in the amdgpudmupdatecursor function. Previously, 'afb' was assumed to be null at line 8388, but was used...

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...

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-2024-50049: 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-2024-49972: 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 improper checking of phantomstream return values in the drm/amd/display component...

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-2024-49921: NULL Pointer Dereference

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-2024-49969: Improper Validation of Array Index

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix index out of bounds in DCN30 color transformation This commit addresses a potential index out of bounds issue in the cm3helpertranslatecurvetohwformat function in the DCN30 color management module. The issue...

CVE-2024-49897: NULL Pointer Dereference

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...

PT-2024-33753

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.58 Description: A null pointer dereference issue has been identified in the Linux kernel, specifically in the drm/amd/display component. The problem arises when the stream status is null in the planes change...

CVE-2024-49919: NULL Pointer Dereference

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: 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-2024-49916: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add NULL check for clkmgr and clkmgr-funcs in dcn401inithw This commit addresses a potential null pointer dereference issue in the dcn401inithw function. The issue could occur when dc-clkmgr or dc-clkmgr-funcs is...

CVE-2024-49915: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add NULL check for clkmgr in dcn32inithw This commit addresses a potential null pointer dereference issue in the dcn32inithw function. The issue could occur when dc-clkmgr is null. The fix adds a check to ensure...

CVE-2024-49912: NULL Pointer Dereference

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-2024-49910: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add NULL check for function pointer in dcn401setoutputtransferfunc This commit adds a null check for the setoutputgamma function pointer in the dcn401setoutputtransferfunc function. Previously, setoutputgamma was...

CVE-2024-49909: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add NULL check for function pointer in dcn32setoutputtransferfunc This commit adds a null check for the setoutputgamma function pointer in the dcn32setoutputtransferfunc function. Previously, setoutputgamma was...

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...