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USN-6493-2: hibagent update

21 November 2023

A security improvement was added to hibagent.

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Releases

Packages

  • hibagent - Agent that triggers hibernation on EC2 instances

Details

USN-6493-1 fixed a vulnerability in hibagent. This update provides
the 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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04

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

References

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Further reading