CVE-2023-52868 thermal: core: prevent potential string overflow
A buffer overflow in the Linux kernel thermal core allows attackers to potentially execute code or cause a denial of service via crafted device IDs.
- 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-2023-52868?
CVE-2023-52868 is a high-severity memory corruption vulnerability in Linux kernel, published on 21 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:
thermal: core: prevent potential string overflow
The dev->id value comes from ida_alloc() so it's a number between zero and INT_MAX. If it's too high then these sprintf()s will overflow.
Weakness: CWE-787
Which versions are affected by CVE-2023-52868?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-52868?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-52868 being exploited?
There is no known exploitation of CVE-2023-52868 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-52868, DEBIAN-CVE-2023-52868, GHSA-8jfw-gf5v-vvhx, UBUNTU-CVE-2023-52868.