CVE-2024-49972 drm/amd/display: Deallocate DML memory if allocation fails
A memory allocation failure in the AMD display driver leaves uninitialized structures, potentially causing a null pointer dereference and system crash.
- 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-2024-49972?
CVE-2024-49972 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: Deallocate DML memory if allocation fails
[Why] When DC state create DML memory allocation fails, memory is not deallocated subsequently, resulting in uninitialized structure that is not NULL.
[How] Deallocate memory if DML memory allocation fails.
Which versions are affected by CVE-2024-49972?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-49972?
Apply the vendor's patch.
Is CVE-2024-49972 being exploited?
There is no known exploitation of CVE-2024-49972 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-52041, AZL-52135, BELL-CVE-2024-49972, DEBIAN-CVE-2024-49972, GHSA-mc6w-w4fp-fg4v, ROOT-OS-DEBIAN-11-CVE-2024-49972 and 2 more.