CVE-2022-2078 Memory corruption in kernel

Medium 5.5 Published Updated

A buffer overflow in the Linux kernel's nft_set_desc_concat_parse function allows attackers to cause denial of service or execute arbitrary code.

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-2022-2078?

CVE-2022-2078 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 30 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability was found in the Linux kernel's nft_set_desc_concat_parse() function .This flaw allows an attacker to trigger a buffer overflow via nft_set_desc_concat_parse() , causing a denial of service and possibly to run code.

Weakness: CWE-120, CWE-121

Which versions are affected by CVE-2022-2078?

It affects 4 products.

Products include Debian Debian Linux, Linux kernel, Redhat Enterprise Linux, Redhat Virtualization.

How do I fix CVE-2022-2078?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-2078 being exploited?

There is no known exploitation of CVE-2022-2078 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Debian Debian Linux vulnerabilities

Sources

Also known as AZL-10004, CVE-2022-1972, DEBIAN-CVE-2022-2078, GHSA-j976-mwc8-7r2m, UBUNTU-CVE-2022-2078.

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