CVE-2024-50149 drm/xe: Don't free job in TDR
A use-after-free vulnerability in the Linux kernel's Xe GPU driver allows attackers to potentially execute code or escalate privileges via TDR handling.
- 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-2024-50149?
CVE-2024-50149 is a high-severity use after free vulnerability in Linux kernel, published on 7 Nov 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/xe: Don't free job in TDR
Freeing job in TDR is not safe as TDR can pass the run_job thread resulting in UAF. It is only safe for free job to naturally be called by the scheduler. Rather free job in TDR, add to pending list.
(cherry picked from commit ea2f6a77d0c40d97f4a4dc93fee4afe15d94926d)
Weakness: CWE-416
Which versions are affected by CVE-2024-50149?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-50149?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2024-50149 being exploited?
There is no known exploitation of CVE-2024-50149 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-50149, DEBIAN-CVE-2024-50149, GHSA-jxr7-f3g8-36rm, UBUNTU-CVE-2024-50149.