CVE-2024-36026 drm/amd/pm: fixes a random hang in S4 for SMU v13.0.4/11
A flaw in the AMD power management driver causes random system hangs during S4 sleep, 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-2024-36026?
CVE-2024-36026 is a medium-severity denial of service vulnerability in Linux kernel, published on 30 May 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/pm: fixes a random hang in S4 for SMU v13.0.4/11
While doing multiple S4 stress tests, GC/RLC/PMFW get into an invalid state resulting into hard hangs.
Adding a GFX reset as workaround just before sending the MP1_UNLOAD message avoids this failure.
Which versions are affected by CVE-2024-36026?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-36026?
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-2024-36026 being exploited?
There is no known exploitation of CVE-2024-36026 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-36026, DEBIAN-CVE-2024-36026, ROOT-OS-UBUNTU-2204-CVE-2024-36026, UBUNTU-CVE-2024-36026.