CVE-2026-43320 drm/amd/display: Fix dsc eDP issue

Medium 5.5 Published Updated

A missing function hook check in the AMD display driver can cause a null pointer dereference, leading to a system crash.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2026-43320?

CVE-2026-43320 is a medium-severity vulnerability in Linux kernel, published on 8 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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

Which versions are affected by CVE-2026-43320?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2026-43320?

Apply the vendor's patch.

Is CVE-2026-43320 being exploited?

There is no known exploitation of CVE-2026-43320 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as AZL-86145, BELL-CVE-2026-43320, DEBIAN-CVE-2026-43320, GHSA-53hp-qh67-ggw2, ROOT-OS-UBUNTU-2204-CVE-2026-43320, ROOT-OS-UBUNTU-2404-CVE-2026-43320 and 1 more.

Is CVE-2026-43320 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free