CVE-2023-52677 riscv: Check if the code to patch lies in the exit section
A missing check in the RISC-V kernel allows a panic when patching code in the exit section, causing a 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-2023-52677?
CVE-2023-52677 is a medium-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:
riscv: Check if the code to patch lies in the exit section
Otherwise we fall through to vmalloc_to_page() which panics since the address does not lie in the vmalloc region.
Which versions are affected by CVE-2023-52677?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-52677?
Apply the vendor's patch.
Is CVE-2023-52677 being exploited?
There is no known exploitation of CVE-2023-52677 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-52677, DEBIAN-CVE-2023-52677, GHSA-8g5c-5h6j-rxcw, ROOT-OS-DEBIAN-11-CVE-2023-52677, UBUNTU-CVE-2023-52677.