CVE-2023-52620 netfilter: nf_tables: disallow timeout for anonymous sets
The Linux kernel netfilter subsystem allowed unused timeout parameters for anonymous sets, which has been disallowed to prevent potential misuse.
- 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-2023-52620?
CVE-2023-52620 is a high-severity vulnerability in Linux kernel, published on 21 Mar 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:
netfilter: nf_tables: disallow timeout for anonymous sets
Never used from userspace, disallow these parameters.
Which versions are affected by CVE-2023-52620?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-52620?
Apply the vendor's patch.
Is CVE-2023-52620 being exploited?
There is no known exploitation of CVE-2023-52620 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-52620, DEBIAN-CVE-2023-52620, GHSA-9mq8-5h36-frr5, UBUNTU-CVE-2023-52620.