Red Hat OpenShift 4.5: RHSA-2021:0313-01 Important Auth Issues

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.redhat.com/en/documentation/openshift_container_platform/4.5/html/release_notes/ocp-4-5-release-notes
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 - -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.