USN-6202-1: containerd vulnerabilities

Releases

• Ubuntu 23.04
• Ubuntu 22.10
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• containerd - daemon to control runC

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)

Update instructions

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

Ubuntu 23.04

• containerd - 1.6.12-0ubuntu3.1

Ubuntu 22.10

• containerd - 1.6.12-0ubuntu1~22.10.2

Ubuntu 22.04

• containerd - 1.6.12-0ubuntu1~22.04.3

Ubuntu 20.04

• containerd - 1.6.12-0ubuntu1~20.04.3

Ubuntu 18.04

• containerd - 1.6.12-0ubuntu1~18.04.1+esm1
  Available with Ubuntu Pro

Ubuntu 16.04

• containerd - 1.2.6-0ubuntu1~16.04.6+esm4
  Available with Ubuntu Pro

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

References

• CVE-2023-25153
• CVE-2023-25173