1. Ubuntu Security Notices
  2. USN-6202-1

USN-6202-1: containerd vulnerabilities

Publication date

5 July 2023

Overview

Several security issues were fixed in containerd.

Releases

Packages

Details

David Korczynski and Adam Korczynski discovered that containerd
incorrectly processed certain images with large files. An attacker
could possibly use this issue to cause containerd to crash,
resulting in a denial of service. (CVE-2023-25153)

It was discovered that containerd incorrectly set up supplementary
groups inside a container. An attacker with direct access to the
container could possibly use this issue to obtain sensitive information
or execute code with higher privileges. (CVE-2023-25173)

David Korczynski and Adam Korczynski discovered that containerd
incorrectly processed certain images with large files. An attacker
could possibly use this issue to cause containerd to crash,
resulting in a denial of service. (CVE-2023-25153)

It was discovered that containerd incorrectly set up supplementary
groups inside a container. An attacker with direct access to the
container could possibly use this issue to obtain sensitive information
or execute code with higher privileges. (CVE-2023-25173)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
23.04 lunar containerd –  1.6.12-0ubuntu3.1
22.10 kinetic containerd –  1.6.12-0ubuntu1~22.10.2
22.04 jammy containerd –  1.6.12-0ubuntu1~22.04.3
20.04 focal containerd –  1.6.12-0ubuntu1~20.04.3
18.04 bionic containerd –  1.6.12-0ubuntu1~18.04.1+esm1  
16.04 xenial containerd –  1.2.6-0ubuntu1~16.04.6+esm4  

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›