[Snyk] Security upgrade ubuntu from xenial to xenial-20210114

[ekmixon]

Snyk has created this PR to fix 2 vulnerabilities in the dockerfile dependencies of this project.

Keeping your Docker base image up-to-date means you’ll benefit from security fixes in the latest version of your chosen image.

Snyk changed the following file(s):

• devenv/docker/blocks/collectd/Dockerfile

We recommend upgrading to ubuntu:xenial-20210114, as this image has only 92 known vulnerabilities. To do this, merge this pull request, then verify your application still works as expected.

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Allocation of Resources Without Limits or Throttling SNYK-UBUNTU1604-SYSTEMD-1320131	614
	Allocation of Resources Without Limits or Throttling SNYK-UBUNTU1604-SYSTEMD-1320131	614
	Allocation of Resources Without Limits or Throttling SNYK-UBUNTU1604-SYSTEMD-1320131	614
	Allocation of Resources Without Limits or Throttling SNYK-UBUNTU1604-SYSTEMD-1320131	614
	Improper Check for Dropped Privileges SNYK-UBUNTU1604-BASH-542609	536

---

Important

• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.

---

Note: You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.

For more information:
🧐 View latest project report
📜 Customise PR templates
🛠 Adjust project settings
📚 Read about Snyk's upgrade logic

---

Learn how to fix vulnerabilities with free interactive lessons:

🦉 Allocation of Resources Without Limits or Throttling

Summary by Sourcery

Build:

• Upgrade the base Docker image from 'ubuntu:xenial' to 'ubuntu:xenial-20210114' to address security vulnerabilities.

[sourcery-ai]

Reviewer's Guide by Sourcery

This PR updates the Ubuntu base image from 'xenial' to 'xenial-20210114' in the collectd Dockerfile to address security vulnerabilities. The update fixes two high-severity issues related to resource allocation in systemd and a low-severity issue in bash.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Updated Ubuntu base image version to address security vulnerabilities	Changed base image tag from 'xenial' to 'xenial-20210114' Fixes multiple instances of systemd resource allocation vulnerability (SNYK-UBUNTU1604-SYSTEMD-1320131) Fixes bash privilege checking vulnerability (SNYK-UBUNTU1604-BASH-542609)	devenv/docker/blocks/collectd/Dockerfile

---

Tips and commands

Interacting with Sourcery

• Trigger a new review: Comment @sourcery-ai review on the pull request.
• Continue discussions: Reply directly to Sourcery's review comments.
• Generate a GitHub issue from a review comment: Ask Sourcery to create an
  issue from a review comment by replying to it.
• Generate a pull request title: Write @sourcery-ai anywhere in the pull
  request title to generate a title at any time.
• Generate a pull request summary: Write @sourcery-ai summary anywhere in
  the pull request body to generate a PR summary at any time. You can also use
  this command to specify where the summary should be inserted.

Customizing Your Experience

Access your dashboard to:

• Enable or disable review features such as the Sourcery-generated pull request
  summary, the reviewer's guide, and others.
• Change the review language.
• Add, remove or edit custom review instructions.
• Adjust other review settings.

Getting Help

• Contact our support team for questions or feedback.
• Visit our documentation for detailed guides and information.
• Keep in touch with the Sourcery team by following us on X/Twitter, LinkedIn or GitHub.

[sourcery-ai]

We have skipped reviewing this pull request. Here's why:

• It seems to have been created by a bot ('[Snyk]' found in title). We assume it knows what it's doing!
• We don't review packaging changes - Let us know if you'd like us to change this.