RHSA-2021:0308: Important: OpenShift Container Platform 4.6.16 security and bug fix update
Red Hat OpenShift Container Platform is Red Hat's cloud computingKubernetes application platform solution designed for on-premise or privatecloud deployments.This advisory contains the container images for Red Hat OpenShift ContainerPlatform 4.6.16. See the following advisory for the RPM packages for thisrelease:https://access.redhat.com/errata/RHBA-2021:0309 Space precludes documenting all of the container images in this advisory.See the following Release Notes documentation, which will be updatedshortly for this release, for details about these changes:https://docs.openshift.com/container-platform/4.6/releasenotes/ocp-4-6-release-notes.html You may download the oc tool and use it to inspect release image metadataas follows:(For x8664 architecture)$ oc adm release infoquay.io/openshift-release-dev/ocp-release:4.6.16-x8664The image digest is sha256:3e855ad88f46ad1b7f56c312f078ca6adaba623c5d4b360143f9f82d2f349741(For s390x architecture)$ oc adm release infoquay.io/openshift-release-dev/ocp-release:4.6.16-s390xThe image digest is sha256:2335685cda334ecf9e12c056b148c483fb81412fbfc96c885dc669d775e1f1ee(For ppc64le architecture)$ oc adm release infoquay.io/openshift-release-dev/ocp-release:4.6.16-ppc64leThe image digest is sha256:953ccacf79467b3e8ebfb8def92013f1574d75e24b3ea9a455aa8931f7f17b88All OpenShift Container Platform 4.6 users are advised to upgrade to theseupdated packages and images when they are available in the appropriaterelease channel. To check for available updates, use the OpenShift Consoleor the CLI oc command. Instructions for upgrading a cluster are availableathttps://docs.openshift.com/container-platform/4.6/updating/updating-cluster-between-minor.html#understanding-upgrade-channelsupdating-cluster-between-minor. Security Fix(es): SSL/TLS: Birthday attack against 64-bit block ciphers (SWEET32) (CVE-2016-2183) openshift/builder: privilege escalation during container image builds via mounted secrets (CVE-2021-3344) openshift/installer: Bootstrap nodes allow anonymous authentication on kubelet port 10250 (CVE-2021-20198) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:0308?
The severity of RHSA-2021:0308 has not been explicitly stated, but it addresses critical updates relevant to security vulnerabilities.
How do I fix RHSA-2021:0308?
To fix RHSA-2021:0308, you should update your Red Hat OpenShift Container Platform to the latest patched version 4.6.16.
What products are affected by RHSA-2021:0308?
RHSA-2021:0308 specifically affects the Red Hat OpenShift Container Platform version 4.6.16.
Is there a workaround for RHSA-2021:0308?
There are no known workarounds for RHSA-2021:0308; it is recommended to apply the necessary updates to mitigate the vulnerabilities.
When was RHSA-2021:0308 released?
RHSA-2021:0308 was released in early 2021 as part of Red Hat's advisory updates.