CVE-2022-28657 Denial of service in Apport

High 7.8 Published 4 Jun 2024 Updated 3 Aug 2024

An attacker can cause a denial of service in Ubuntu by triggering a Python crash handler failure during chroot operations.

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-2022-28657?

CVE-2022-28657 is a high-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 4 Jun 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Apport does not disable python crash handler before entering chroot

Weakness: CWE-400

Which versions are affected by CVE-2022-28657?

It affects 2 products.

Products include Apport Project Apport, Canonical Ubuntu Linux.

How do I fix CVE-2022-28657?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-28657 being exploited?

There is no known exploitation of CVE-2022-28657 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as GHSA-m8cv-83cf-qccx, UBUNTU-CVE-2022-28657.