USN-6042-2: Cloud-init regression

Releases

• Ubuntu 20.04 LTS

Packages

• cloud-init - initialization and customization tool for cloud instances

Details

USN-6042-1 fixed a vulnerability in Cloud-init. The update introduced a
regression on Ubuntu 20.04 LTS resulting in a possible loss of networking.
This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

James Golovich discovered that sensitive data could be exposed in logs. An
attacker could use this information to find hashed passwords and possibly
escalate their privilege.

Update instructions

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

Ubuntu 20.04

• cloud-init - 23.1.2-0ubuntu0~20.04.2

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

References

• https://launchpad.net/bugs/2020375