The vulnerabilities of the functions dcn20_enable_stream() (drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c) and dcn401_enable_stream() (drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c) in the DRI driver for AMD graphics cards with Linux operating systems allow attackers to cause system failures.

The vulnerabilities of the functions dcn20enablestream drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20hwseq.c and dcn401enablestream drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401hwseq.c in Linux kernel-based AMD Direct Rendering Infrastructure DRI graphics card drivers are related to state...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added a signal type check for dcn401 getphyd32clksrc Attempting to access link enc on a dpia link will cause a crash...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed the null check on pipectx-planestate in updatedchubpdpp. This issue is similar to commit 6a057072ddd1 “drm/amd/display: Fixed a null pointer dereference on dcn20updatedchubpdpp. It involves the same functio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a NULL pointer dereferencing in dcn401inithw. dcn401inithw assumes that updatebwboundingbox is valid when entering the update path. However, the current condition: !fams2enable && updatebwboundingbox ||...

CVE-2026-43337

A flaw was found in the Linux kernel's drm/amd/display component. This flaw occurs because the dcn401inithw function does not properly validate a callback pointer updatebwboundingbox before use. This can lead to a NULL pointer dereference, potentially causing a system crash or denial of service...

SUSE CVE-2026-43337

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL pointer dereference in dcn401inithw dcn401inithw assumes that updatebwboundingbox is valid when entering the update path. However, the existing condition: !fams2enable && updatebwboundingbox || freqchang...

EUVD-2026-28621

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL pointer dereference in dcn401inithw dcn401inithw assumes that updatebwboundingbox is valid when entering the update path. However, the existing condition: !fams2enable && updatebwboundingbox || freqchang...

CVE-2026-43337

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL pointer dereference in dcn401inithw dcn401inithw assumes that updatebwboundingbox is valid when entering the update path. However, the existing condition: !fams2enable && updatebwboundingbox || freqchang...

CVE-2026-43337

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL pointer dereference in dcn401inithw dcn401inithw assumes that updatebwboundingbox is valid when entering the update path. However, the existing condition: !fams2enable && updatebwboundingbox || freqchang...

CVE-2026-43337 drm/amd/display: Fix NULL pointer dereference in dcn401_init_hw()

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL pointer dereference in dcn401inithw dcn401inithw assumes that updatebwboundingbox is valid when entering the update path. However, the existing condition: !fams2enable && updatebwboundingbox || freqchang...

CVE-2026-43337

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL pointer dereference in dcn401inithw dcn401inithw assumes that updatebwboundingbox is valid when entering the update path. However, the existing condition: !fams2enable && updatebwboundingbox || freqchang...

CVE-2026-43337 drm/amd/display: Fix NULL pointer dereference in dcn401_init_hw()

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL pointer dereference in dcn401inithw dcn401inithw assumes that updatebwboundingbox is valid when entering the update path. However, the existing condition: !fams2enable && updatebwboundingbox || freqchang...

CVE-2026-43337

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL pointer dereference in dcn401inithw dcn401inithw assumes that updatebwboundingbox is valid when entering the update path. However, the existing condition: !fams2enable && updatebwboundingbox || freqchang...

CVE-2026-43337

CVE-2026-43337 concerns the Linux kernel DRM/AMD display path, where a NULL pointer dereference can occur in dcn401_init_hw() when calling update_bw_bounding_box() without validating the callback pointer. The existing condition ((!fams2_enable && update_bw_bounding_box) || freq_changed) can evalu...

Linux Distros Unpatched Vulnerability : CVE-2026-43337

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/amd/display: Fix NULL pointer dereference in dcn401inithw dcn401inithw assumes that updatebwboundingbox is valid when entering the update path. However, the...

PT-2026-38988

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the dcn401 init hw function. The issue occurs because the function assumes the update bw bounding box callback is valid when entering the update path...

drm/amd/display: Add signal type check for dcn401 get_phyd32clk_src

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SUSE CVE-2026-43243

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add signal type check for dcn401 getphyd32clksrc Trying to access link enc on a dpia link will cause a crash otherwise...

EUVD-2026-27802

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add signal type check for dcn401 getphyd32clksrc Trying to access link enc on a dpia link will cause a crash otherwise...

CVE-2026-43243 drm/amd/display: Add signal type check for dcn401 get_phyd32clk_src

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add signal type check for dcn401 getphyd32clksrc Trying to access link enc on a dpia link will cause a crash otherwise...