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Ubuntu Security Notice USN-6519-2

Ubuntu Security Notice USN-6519-2
Posted Nov 30, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6519-2 - USN-6519-1 added IMDSv2 support to EC2 hibagent. This update provides the corresponding update for Ubuntu 16.04 LTS. The EC2 hibagent package has been updated to add IMDSv2 support, as IMDSv1 uses an insecure protocol and is no longer recommended.

tags | advisory, protocol
systems | linux, ubuntu
SHA-256 | 024464774f5ad6a8ef0d73dbedf9ba568379c0a46dcf950ee24cd4ff9b3a441b

Ubuntu Security Notice USN-6519-2

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-6519-2
November 29, 2023

ec2-hibinit-agent update
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS (Available with Ubuntu Pro)

Summary:

A security improvement was added to EC2 hibagent.

Software Description:
- ec2-hibinit-agent: Amazon EC2 hibernation agent

Details:

USN-6519-1 added IMDSv2 support to EC2 hibagent. This update provides
the corresponding update for Ubuntu 16.04 LTS.

Original advisory details:

The EC2 hibagent package has been updated to add IMDSv2 support, as IMDSv1
uses an insecure protocol and is no longer recommended.

Update instructions:

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

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
ec2-hibinit-agent 1.0.0-0ubuntu4~16.04.4+esm1

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

References:
https://ubuntu.com/security/notices/USN-6519-2
https://ubuntu.com/security/notices/USN-6519-1
https://launchpad.net/bugs/1941785
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