========================================================================== Ubuntu Security Notice USN-5134-1 November 09, 2021 docker.io vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 21.10 - Ubuntu 21.04 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Docker could be made to expose sensitive information over the network. Software Description: - docker.io: Linux container runtime Details: An information disclosure issue was discovered in the command line interface of Docker. A misconfigured credential store could result in supplied credentials being leaked to the public registry, when using the docker login command with a private registry. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10: docker.io 20.10.7-0ubuntu5.1 Ubuntu 21.04: docker.io 20.10.7-0ubuntu5~21.04.2 Ubuntu 20.04 LTS: docker.io 20.10.7-0ubuntu5~20.04.2 Ubuntu 18.04 LTS: docker.io 20.10.7-0ubuntu5~18.04.3 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5134-1 CVE-2021-41092 Package Information: https://launchpad.net/ubuntu/+source/docker.io/20.10.7-0ubuntu5.1 https://launchpad.net/ubuntu/+source/docker.io/20.10.7-0ubuntu5~21.04.2 https://launchpad.net/ubuntu/+source/docker.io/20.10.7-0ubuntu5~20.04.2 https://launchpad.net/ubuntu/+source/docker.io/20.10.7-0ubuntu5~18.04.3