CVE-2024-46803 drm/amdkfd: Check debug trap enable before write dbg_ev_file
A race condition in the AMD KFD driver can cause a null pointer dereference, leading to a 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-2024-46803?
CVE-2024-46803 is a high-severity vulnerability in Linux kernel, published on 27 Sep 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/amdkfd: Check debug trap enable before write dbg_ev_file
In interrupt context, write dbg_ev_file will be run by work queue. It will cause write dbg_ev_file execution after debug_trap_disable, which will cause NULL pointer access. v2: cancel work "debug_event_workarea" before set dbg_ev_file as NULL.
Weakness: CWE-476
Which versions are affected by CVE-2024-46803?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-46803?
Apply the vendor's patch.
Is CVE-2024-46803 being exploited?
There is no known exploitation of CVE-2024-46803 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-49968, BELL-CVE-2024-46803, DEBIAN-CVE-2024-46803, GHSA-3mfg-g733-vvp9, ROOT-OS-DEBIAN-12-CVE-2024-46803, ROOT-OS-UBUNTU-2204-CVE-2024-46803 and 1 more.