CVE-2024-36949 amd/amdkfd: sync all devices to wait all processes being evicted
A race condition in the AMD KFD driver during parallel device resets can cause page faults and system instability, requiring a kernel patch.
- 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-2024-36949?
CVE-2024-36949 is a medium-severity 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:
amd/amdkfd: sync all devices to wait all processes being evicted
If there are more than one device doing reset in parallel, the first device will call kfd_suspend_all_processes() to evict all processes on all devices, this call takes time to finish. other device will start reset and recover without waiting. if the process has not been evicted before doing recover, it will be restored, then caused page fault.
Which versions are affected by CVE-2024-36949?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-36949?
Apply the vendor's patch.
Is CVE-2024-36949 being exploited?
There is no known exploitation of CVE-2024-36949 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-68066, BELL-CVE-2024-36949, DEBIAN-CVE-2024-36949, ROOT-OS-DEBIAN-11-CVE-2024-36949, ROOT-OS-DEBIAN-12-CVE-2024-36949, ROOT-OS-UBUNTU-2204-CVE-2024-36949 and 1 more.