CVE-2023-52688 wifi: ath12k: fix the error handler of rfkill config
A resource leak in the ath12k WiFi driver error handler can lead to memory exhaustion and denial of service.
- 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-2023-52688?
CVE-2023-52688 is a high-severity vulnerability in Linux kernel, published on 17 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:
wifi: ath12k: fix the error handler of rfkill config
When the core rfkill config throws error, it should free the allocated resources. Currently it is not freeing the core pdev create resources. Avoid this issue by calling the core pdev destroy in the error handler of core rfkill config.
Found this issue in the code review and it is compile tested only.
Weakness: CWE-415
Which versions are affected by CVE-2023-52688?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-52688?
Apply the vendor's patch.
Is CVE-2023-52688 being exploited?
There is no known exploitation of CVE-2023-52688 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-52688, DEBIAN-CVE-2023-52688, GHSA-6rhx-7f5j-52mj, UBUNTU-CVE-2023-52688.