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Ubuntu 20.04 LTS: 5103-1 critical: docker.io permissions risk

ubuntu
Calendar Grey October 4, 2021
Dist Ubuntu Esm H88
A security flaw in Docker on Ubuntu impacts access rights. Ensure your system is updated to safeguard against internal threats.
Docker could be made to adjust the permissions of files.

Summary

Topics%20covered

Topics Covered

security advisory critical local attack permissions ubuntu docker

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 21.04: docker.io 20.10.7-0ubuntu1~21.04.2 Ubuntu 20.04 LTS: docker.io 20.10.7-0ubuntu1~20.04.2 Ubuntu 18.04 LTS: docker.io 20.10.7-0ubuntu1~18.04.2 Ubuntu 16.04 ESM: docker.io 18.09.7-0ubuntu1~16.04.9+esm1 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5103-1

CVE-2021-41089

Severity
critical
Lowest
Low
Medium
High
Critical

October 04, 2021

Topics%20covered

Topics Covered

security advisory critical local attack permissions ubuntu docker

Package Information

https://launchpad.net/ubuntu/+source/docker.io/20.10.7-0ubuntu1~21.04.2 https://launchpad.net/ubuntu/+source/docker.io/20.10.7-0ubuntu1~20.04.2 https://launchpad.net/ubuntu/+source/docker.io/20.10.7-0ubuntu1~18.04.2

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