CVE-2022-23222 Privilege escalation in n/a

High 7.8 Published Updated

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.

All Debian Debian Linux vulnerabilities

Sources

Also known as A-215814262, AZL-7534, DEBIAN-CVE-2022-23222, GHSA-jjwq-78g3-m34w, PUB-A-215814262, UBUNTU-CVE-2022-23222.

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