CVE-2024-43886 drm/amd/display: Add null check in resource_log_pipe_topology_update
A null pointer dereference in the AMD display driver can cause a system crash when switching display modes, requiring a kernel patch.
- 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-2024-43886?
CVE-2024-43886 is a medium-severity vulnerability in Linux kernel, published on 26 Aug 2024. 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: Add null check in resource_log_pipe_topology_update
[WHY] When switching from "Extend" to "Second Display Only" we sometimes call resource_get_otg_master_for_stream on a stream for the eDP, which is disconnected. This leads to a null pointer dereference.
[HOW] Added a null check in dc_resource.c/resource_log_pipe_topology_update.
Weakness: CWE-476
Which versions are affected by CVE-2024-43886?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-43886?
Apply the vendor's patch.
Is CVE-2024-43886 being exploited?
There is no known exploitation of CVE-2024-43886 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-48213, AZL-48277, BELL-CVE-2024-43886, DEBIAN-CVE-2024-43886, GHSA-jqgm-j6xq-3v4q, ROOT-OS-DEBIAN-11-CVE-2024-43886 and 2 more.