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Ubuntu 20.04 LTS USN-6042-2 Critical: Cloud-Init Networking Regression

ubuntu
Calendar Grey May 23, 2023
Dist Ubuntu Esm H88
Network configuration issue resolved in Ubuntu 20.04 LTS following USN-6042-1. Ensure your system is updated immediately.
USN-6042-1 introduced a regression in Cloud-init.

Summary

USN-6042-1 introduced a regression in Cloud-init.

Software Description:

- 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.

Topics%20covered

Topics Covered

security advisory critical ubuntu regression fix networking issue cloud-init

Update Instructions

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

Ubuntu 20.04 LTS:
   cloud-init                      23.1.2-0ubuntu0~20.04.2

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

References

https://ubuntu.com/security/notices/USN-6042-2

https://ubuntu.com/security/notices/USN-6042-1

https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/2020375

Severity
critical
Lowest
Low
Medium
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Critical

May 23, 2023

Topics%20covered

Topics Covered

security advisory critical ubuntu regression fix networking issue cloud-init

Package Information

https://launchpad.net/ubuntu/+source/cloud-init/23.1.2-0ubuntu0~20.04.2

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