CVE-2023-52807 net: hns3: fix out-of-bounds access may occur when coalesce info is read via debugfs
A local attacker can trigger an out-of-bounds read in the hns3 network driver via debugfs, potentially causing a system crash or leaking memory.
- 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-2023-52807?
CVE-2023-52807 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:
net: hns3: fix out-of-bounds access may occur when coalesce info is read via debugfs
The hns3 driver define an array of string to show the coalesce info, but if the kernel adds a new mode or a new state, out-of-bounds access may occur when coalesce info is read via debugfs, this patch fix the problem.
Weakness: CWE-129
Which versions are affected by CVE-2023-52807?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-52807?
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-2023-52807 being exploited?
There is no known exploitation of CVE-2023-52807 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-52807, DEBIAN-CVE-2023-52807, GHSA-rwr5-hmxr-6v8j, UBUNTU-CVE-2023-52807.