CVE-2024-44945 netfilter: nfnetlink: Initialise extack before use in ACKs
A missing initialization in the Linux kernel netfilter module can lead to a null pointer dereference, causing a system crash.
- 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-2024-44945?
CVE-2024-44945 is a high-severity vulnerability in Linux kernel, published on 31 Aug 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: nfnetlink: Initialise extack before use in ACKs
Add missing extack initialisation when ACKing BATCH_BEGIN and BATCH_END.
Which versions are affected by CVE-2024-44945?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-44945?
Apply the vendor's patch.
Is CVE-2024-44945 being exploited?
There is no known exploitation of CVE-2024-44945 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-44945, DEBIAN-CVE-2024-44945, GHSA-8q4v-68hv-v55c, UBUNTU-CVE-2024-44945.