CVE-2024-49893 drm/amd/display: Check stream_status before it is used
A missing null check in the AMD display driver can cause a kernel crash, leading to 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-2024-49893?
CVE-2024-49893 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 stream_status before it is used
[WHAT & HOW] dc_state_get_stream_status can return null, and therefore null must be checked before stream_status is used.
This fixes 1 NULL_RETURNS issue reported by Coverity.
Weakness: CWE-476
Which versions are affected by CVE-2024-49893?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-49893?
Apply the vendor's patch.
Is CVE-2024-49893 being exploited?
There is no known exploitation of CVE-2024-49893 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-51347, AZL-51536, BELL-CVE-2024-49893, DEBIAN-CVE-2024-49893, GHSA-74w9-c64j-qmcw, ROOT-OS-DEBIAN-11-CVE-2024-49893 and 3 more.