CVE-2024-49898 drm/amd/display: Check null-initialized variables
A null pointer dereference in the AMD display driver can cause a system crash, requiring a kernel patch to prevent denial of service.
- 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-2024-49898?
CVE-2024-49898 is a medium-severity vulnerability in Linux kernel, published on 21 Oct 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: Check null-initialized variables
[WHAT & HOW] drr_timing and subvp_pipe are initialized to null and they are not always assigned new values. It is necessary to check for null before dereferencing.
This fixes 2 FORWARD_NULL issues reported by Coverity.
Weakness: CWE-476
Which versions are affected by CVE-2024-49898?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-49898?
Apply the vendor's patch.
Is CVE-2024-49898 being exploited?
There is no known exploitation of CVE-2024-49898 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-51050, AZL-51054, BELL-CVE-2024-49898, DEBIAN-CVE-2024-49898, GHSA-x3rh-vhj8-7wq6, ROOT-OS-DEBIAN-11-CVE-2024-49898 and 2 more.