CVE-2024-46778 drm/amd/display: Check UnboundedRequestEnabled's value
A null pointer dereference in the AMD display driver can cause a system crash, requiring a kernel patch to fix.
- 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-2024-46778?
CVE-2024-46778 is a medium-severity vulnerability in Linux kernel, published on 18 Sep 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 UnboundedRequestEnabled's value
CalculateSwathAndDETConfiguration_params_st's UnboundedRequestEnabled is a pointer (i.e. dml_bool_t *UnboundedRequestEnabled), and thus if (p->UnboundedRequestEnabled) checks its address, not bool value.
This fixes 1 REVERSE_INULL issue reported by Coverity.
Weakness: CWE-476
Which versions are affected by CVE-2024-46778?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-46778?
Apply the vendor's patch.
Is CVE-2024-46778 being exploited?
There is no known exploitation of CVE-2024-46778 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-53247, AZL-53358, BELL-CVE-2024-46778, DEBIAN-CVE-2024-46778, GHSA-q5xg-cgpw-7479, ROOT-OS-UBUNTU-2204-CVE-2024-46778 and 1 more.