RHSA-2021:0313 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.5.31 is now available with
updates to packages and images that fix several bugs.

This release also includes a security update for Red Hat OpenShift Container Platform 4.5.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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.

Solution

For OpenShift Container Platform 4.5 see the following documentation, which
will be updated shortly for this release, for important instructions on how
to upgrade your cluster and fully apply this asynchronous errata update:

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

Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.5/updating/updating-cluster-cli.html.

Affected Products

• Red Hat OpenShift Container Platform 4.5 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.5 for RHEL 7 x86_64
• Red Hat OpenShift Container Platform for Power 4.5 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for Power 4.5 for RHEL 7 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.5 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.5 for RHEL 7 s390x

Fixes

• BZ - 1880333 - [release 4.5] machine-config-operator: Fix bug in reflector not recovering from "Too large resource version"
• BZ - 1882694 - [4.5] PIN OVS version for OVN-Kubernetes
• BZ - 1895202 - Helm chart fails to install using developer console because of TLS certificate error
• BZ - 1905106 - (release-4.5) Collect spec config for clusteroperator resources
• BZ - 1919848 - Placeholder bug for OCP 4.5.z rpm release
• BZ - 1920764 - CVE-2021-20198 openshift/installer: Bootstrap nodes allow anonymous authentication on kubelet port 10250
• BZ - 1921252 - with sharded ingresscontrollers, all shards reload when any endpoint changes

CVEs

• CVE-2020-14382
• CVE-2021-20198

References

• https://access.redhat.com/security/updates/classification/#important