CVE-2026-43305

A flaw was found in the drm/amd/display component of the Linux kernel. A mismatched unlock operation for the DMUB hardware HW lock in the HWSS fast path can occur. This happens because the logic for determining when to use the lock differs from the logic for when to unlock it. When the fast path ...

CVE-2026-43294

A flaw was found in the Linux kernel's MIPI-DSI driver. When a system with certain display panels is rebooted, the MIPI-DSI interface may stop prematurely. This can lead to a kernel panic, causing the system to crash and resulting in a Denial of Service DoS...

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-2026-43396

In the Linux kernel, the following vulnerability has been resolved: drm/xe/sync: Fix user fence leak on alloc failure When dmafencechainalloc fails, properly release the user fence reference to prevent a memory leak. cherry picked from commit a5d5634cde48a9fcd68c8504aa07f89f175074a0...

CVE-2026-43381 nouveau/dpcd: return EBUSY for aux xfer if the device is asleep

In the Linux kernel, the following vulnerability has been resolved: nouveau/dpcd: return EBUSY for aux xfer if the device is asleep If we have runtime suspended, and userspace wants to use /dev/drmdp then just tell it the device is busy instead of crashing in the GSP code. WARNING: CPU: 2 PID:...

CVE-2026-43305

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix mismatched unlock for DMUB HW lock in HWSS fast path Why The evaluation for whether we need to use the DMUB HW lock isn't the same as whether we need to unlock which results in a hang when the fast path is us...

CVE-2026-43305

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix mismatched unlock for DMUB HW lock in HWSS fast path Why The evaluation for whether we need to use the DMUB HW lock isn't the same as whether we need to unlock which results in a hang when the fast path is us...

CVE-2026-43320

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix dsc eDP issue why Need to add function hook check before use...

CVE-2026-43320

The CVE-2026-43320 entry concerns the Linux kernel’s drm/amd/display component. The root cause described across sources is a missing function hook check before use, which could affect dsc eDP handling. Public descriptions indicate a potential for instability or unexpected behavior in the display ...

CVE-2026-43305

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix mismatched unlock for DMUB HW lock in HWSS fast path Why The evaluation for whether we need to use the DMUB HW lock isn't the same as whether we need to unlock which results in a hang when the fast path is us...

CVE-2026-43305 drm/amd/display: Fix mismatched unlock for DMUB HW lock in HWSS fast path

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix mismatched unlock for DMUB HW lock in HWSS fast path Why The evaluation for whether we need to use the DMUB HW lock isn't the same as whether we need to unlock which results in a hang when the fast path is us...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the conditional judgment in the AMD display driver’s dcn401inithw function. This judgment does no...

Linux Distros Unpatched Vulnerability : CVE-2026-43305

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 mismatched unlock for DMUB HW lock in HWSS fast path Why The evaluation for whether we need to use the DMUB HW lock isn't the same as wheth...

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

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drm/amd/display: Adjust PHY FSM transition to TX_EN-to-PLL_ON for TMDS on DCN35

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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...

AZL-85860 CVE-2026-43191 affecting package kernel for versions less than 6.6.137.1-2

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Adjust PHY FSM transition to TXEN-to-PLLON for TMDS on DCN35 Why A backport of the change made for DCN401 that addresses an issue where we turn off the PHY PLL when disabling TMDS output, which causes the OTG to...

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...

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...

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...