CVE-2024-26581 netfilter: nft_set_rbtree: skip end interval element from gc
A race condition in the Linux kernel netfilter rbtree garbage collection can lead to a denial of service by incorrectly removing active elements.
- 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-2024-26581?
CVE-2024-26581 is a high-severity vulnerability in Debian Debian Linux, published on 20 Feb 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: nft_set_rbtree: skip end interval element from gc
rbtree lazy gc on insert might collect an end interval element that has been just added in this transactions, skip end interval elements that are not yet active.
Which versions are affected by CVE-2024-26581?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2024-26581?
Apply the vendor's patch.
Is CVE-2024-26581 being exploited?
There is no known exploitation of CVE-2024-26581 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-35451, AZL-35475, BELL-CVE-2024-26581, DEBIAN-CVE-2024-26581, GHSA-92f7-c7hw-58cr, UBUNTU-CVE-2024-26581.