Ubuntu Security Notice USN-6493-2

==========================================================================Ubuntu Security Notice USN-6493-2November 21, 2023hibagent update==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 18.04 LTS (Available with Ubuntu Pro)- Ubuntu 16.04 LTS (Available with Ubuntu Pro)Summary:A security improvement was added to hibagent.Software Description:- hibagent: Agent that triggers hibernation on EC2 instancesDetails:USN-6493-1 fixed a vulnerability in hibagent. This update providesthe corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.Original advisory details: On Ubuntu 18.04 LTS and Ubuntu 16.04 LTS, the hibagent package has been updated to add IMDSv2 support, as IMDSv1 uses an insecure protocol and is no longer recommended. In addition, on all releases, hibagent has been updated to do nothing if ODH is configured.Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 18.04 LTS (Available with Ubuntu Pro):  hibagent                        1.0.1-0ubuntu1.18.04.1+esm1Ubuntu 16.04 LTS (Available with Ubuntu Pro):  hibagent                        1.0.1-0ubuntu1~16.04.1+esm1In general, a standard system update will make all the necessary changes.References:  https://ubuntu.com/security/notices/USN-6493-2  https://ubuntu.com/security/notices/USN-6493-1  https://launchpad.net/bugs/