CVE-2023-52871 soc: qcom: llcc: Handle a second device without data corruption
A race condition in the Qualcomm LLCC driver allows data corruption if a second device probe fails, requiring specific hardware configurations to exploit.
- 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-2023-52871?
CVE-2023-52871 is a high-severity 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:
soc: qcom: llcc: Handle a second device without data corruption
Usually there is only one llcc device. But if there were a second, even a failed probe call would modify the global drv_data pointer. So check if drv_data is valid before overwriting it.
Which versions are affected by CVE-2023-52871?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-52871?
Apply the vendor's patch.
Is CVE-2023-52871 being exploited?
There is no known exploitation of CVE-2023-52871 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-52871, DEBIAN-CVE-2023-52871, GHSA-w492-g7j4-gr3w, UBUNTU-CVE-2023-52871.