CVE-2022-23222 Privilege escalation in n/a
Local attackers can gain privileges via pointer arithmetic in the Linux kernel BPF verifier, requiring kernel patches.
- 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-2022-23222?
CVE-2022-23222 is a high-severity vulnerability in Debian Debian Linux, published on 14 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
kernel/bpf/verifier.c in the Linux kernel through 5.15.14 allows local users to gain privileges because of the availability of pointer arithmetic via certain *_OR_NULL pointer types.
Weakness: CWE-476
Which versions are affected by CVE-2022-23222?
It affects 11 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Linux kernel, Netapp H300e Firmware, Netapp H300s Firmware, Netapp H410c Firmware and 5 more.
How do I fix CVE-2022-23222?
Apply the vendor's patch.
Is CVE-2022-23222 being exploited?
There is no known exploitation of CVE-2022-23222 in the wild and no public exploit code.
Public exploit code: 4 proofs of concept on GitHub.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as A-215814262, AZL-7534, DEBIAN-CVE-2022-23222, GHSA-jjwq-78g3-m34w, PUB-A-215814262, UBUNTU-CVE-2022-23222.