(RHSA-2021:0313) Important: OpenShift Container Platform 4.5.31 bug fix and security update

Red Hat OpenShift Container Platform is Red Hat’s cloud computing
Kubernetes application platform solution designed for on-premise or private
cloud deployments.

This advisory contains the container images for Red Hat OpenShift Container
Platform 4.5.31. See the following advisory for the RPM packages for this
release:

https://access.redhat.com/errata/RHBA-2021:0314

Space precludes documenting all of the container images in this advisory.
See the following Release Notes documentation, which will be updated
shortly for this release, for details about these changes:

https://docs.openshift.com/container-platform/4.5/release_notes/ocp-4-5-release-notes.html

You may download the oc tool and use it to inspect release image metadata
as follows:

(For x86_64 architecture)

$ oc adm release info
quay.io/openshift-release-dev/ocp-release:4.5.31-x86_64

The image digest is sha256:27951dd757d472bf913daaffa548b865e87968831ca6f42c1f6946f7dcf0564e

(For s390x architecture)

$ oc adm release info
quay.io/openshift-release-dev/ocp-release:4.5.31-s390x

The image digest is sha256:4ee2c785e4a3b1cb0716e84d649a1489d7a72f6735ffd7a3a933218609cb58ec

(For ppc64le architecture)

$ oc adm release info
quay.io/openshift-release-dev/ocp-release:4.5.31-ppc64le

The image digest is sha256:8469f7f1f98d595f503c7ebc1df2f3c2755012441d4d21684914db45193a55ef

All OpenShift Container Platform 4.5 users are advised to upgrade to these
updated packages and images when they are available in the appropriate
release channel. To check for available updates, use the OpenShift Console
or the CLI oc command. Instructions for upgrading a cluster are available
at
https://docs.openshift.com/container-platform/4.5/updating/updating-cluster-between-minor.html#understanding-upgrade-channels_updating-cluster-between-minor.

Security Fix(es):

• 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.