CVE-2023-52461 drm/sched: Fix bounds limiting when given a malformed entity
A bounds checking error in the Linux kernel DRM scheduler allows malformed entities to cause out-of-bounds priority values, potentially leading to system instability or crashes.
- 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-2023-52461?
CVE-2023-52461 is a high-severity vulnerability in Linux kernel, published on 23 Feb 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/sched: Fix bounds limiting when given a malformed entity
If we're given a malformed entity in drm_sched_entity_init()--shouldn't happen, but we verify--with out-of-bounds priority value, we set it to an allowed value. Fix the expression which sets this limit.
Which versions are affected by CVE-2023-52461?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-52461?
Apply the vendor's patch.
Is CVE-2023-52461 being exploited?
There is no known exploitation of CVE-2023-52461 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-52461, GHSA-g27r-g335-q65p, UBUNTU-CVE-2023-52461.