CVE-2024-26642 netfilter: nf_tables: disallow anonymous set with timeout flag
The Linux kernel netfilter subsystem incorrectly allowed anonymous sets with timeout flags, potentially leading to undefined behavior or logic errors.
- 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-2024-26642?
CVE-2024-26642 is a high-severity vulnerability in Debian Debian Linux, 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 anonymous set with timeout flag
Anonymous sets are never used with timeout from userspace, reject this. Exception to this rule is NFT_SET_EVAL to ensure legacy meters still work.
Which versions are affected by CVE-2024-26642?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2024-26642?
Apply the vendor's patch.
Is CVE-2024-26642 being exploited?
There is no known exploitation of CVE-2024-26642 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BELL-CVE-2024-26642, DEBIAN-CVE-2024-26642, GHSA-79wp-fmwh-x929, UBUNTU-CVE-2024-26642.