CVE-2024-57922 drm/amd/display: Add check for granularity in dml ceil/floor helpers
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-2024-57922?
CVE-2024-57922 is a medium-severity denial of service vulnerability in Linux kernel, published on 19 Jan 2025. 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 check for granularity in dml ceil/floor helpers
[Why] Wrapper functions for dcn_bw_ceil2() and dcn_bw_floor2() should check for granularity is non zero to avoid assert and divide-by-zero error in dcn_bw_ functions.
[How] Add check for granularity 0.
(cherry picked from commit f6e09701c3eb2ccb8cb0518e0b67f1c69742a4ec)
Weakness: CWE-369
Which versions are affected by CVE-2024-57922?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-57922?
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-2024-57922 being exploited?
There is no known exploitation of CVE-2024-57922 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-57243, BELL-CVE-2024-57922, DEBIAN-CVE-2024-57922, GHSA-94vx-hxvv-26m7, ROOT-OS-UBUNTU-2404-CVE-2024-57922, UBUNTU-CVE-2024-57922.