CVE-2024-46773 drm/amd/display: Check denominator pbn_div before used
A divide-by-zero error 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-2024-46773?
CVE-2024-46773 is a medium-severity denial of service 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 denominator pbn_div before used
[WHAT & HOW] A denominator cannot be 0, and is checked before used.
This fixes 1 DIVIDE_BY_ZERO issue reported by Coverity.
Weakness: CWE-369
Which versions are affected by CVE-2024-46773?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-46773?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-46773 being exploited?
There is no known exploitation of CVE-2024-46773 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-49548, BELL-CVE-2024-46773, DEBIAN-CVE-2024-46773, GHSA-2h8m-mjqv-x98p, ROOT-OS-DEBIAN-11-CVE-2024-46773, UBUNTU-CVE-2024-46773.