CVE-2023-5972 Kernel: the nfta_inner_num and nfta_expr_name netlink attributes accessed without checking its presence in nft_inner.c
A local attacker can crash the system or escalate privileges due to a null pointer dereference in the Linux kernel's netfilter module.
- 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-2023-5972?
CVE-2023-5972 is a high-severity vulnerability in Fedoraproject Fedora, published on 23 Nov 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A null pointer dereference flaw was found in the nft_inner.c functionality of netfilter in the Linux kernel. This issue could allow a local user to crash the system or escalate their privileges on the system.
Weakness: CWE-476
Which versions are affected by CVE-2023-5972?
It affects 2 products.
Products include Fedoraproject Fedora, Linux kernel.
How do I fix CVE-2023-5972?
Apply the vendor's patch.
Is CVE-2023-5972 being exploited?
There is no known exploitation of CVE-2023-5972 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as AZL-32062, DEBIAN-CVE-2023-5972, GHSA-8jhq-62jp-gh72, UBUNTU-CVE-2023-5972.