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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: OpenShift Container Platform 4.7.8 security and bug fix update
Advisory ID:       RHSA-2021:1225-01
Product:           Red Hat OpenShift Enterprise
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:1225
Issue date:        2021-04-26
CVE Names:         CVE-2021-3121 CVE-2021-20305 
=====================================================================

1. Summary:

Red Hat OpenShift Container Platform release 4.7.8 is now available with
updates to packages and images that fix several bugs and add enhancements.

This release includes a security update for Red Hat OpenShift Container
Platform 4.7.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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.

2. Description:

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

Security Fix(es):

* gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index
validation (CVE-2021-3121)

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.

This advisory contains the container images for Red Hat OpenShift Container
Platform 4.7.8. See the following advisory for the RPM packages for this
release:

https://access.redhat.com/errata/RHSA-2021:1226

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/4.7/release_notes/ocp-4-7-rel
ease-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:4.7.8-x86_64

The image digest is
sha256:7456516a64edf63268522565cf00dc581f1d7ad22355ffab8157a9e106cf607f

(For s390x architecture)

  $ oc adm release info
quay.io/openshift-release-dev/ocp-release:4.7.8-s390x

The image digest is
sha256:857c2b62a3029511626c2c52264fc2f087319a65089300e59338062e3a237421

(For ppc64le architecture)

  $ oc adm release info
quay.io/openshift-release-dev/ocp-release:4.7.8-ppc64le

The image digest is
sha256:6eb9625c0b7ff10a58e72d19e95c6ae027213debfc26bfdfa51700590eca5e55

All OpenShift Container Platform 4.7 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/4.7/updating/updating-cluster
- -between-minor.html#understanding-upgrade-channels_updating-cluster-between
- -minor.

3. Solution:

For OpenShift Container Platform 4.7 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/4.7/release_notes/ocp-4-7-rel
ease-notes.html

Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.7/updating/updating-cluster
- -cli.html

4. Bugs fixed (https://bugzilla.redhat.com/):

1921650 - CVE-2021-3121 gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index validation
1927321 - openshift-apiserver Available is False with 3 pods not ready for a while during upgrade
1932113 - [Kuryr] Enforce nodes MTU for the Namespaces and Pods
1936544 - [IPI Baremetal] Proxy Information Not passed to metal3
1936719 - network-metrics-deamon not associated with a priorityClassName
1941212 - multus DaemonSets should use maxUnavailable: 33%
1941993 - Inconsistent ovs-flow rule on one of the app node for egress node
1942843 - Description for storage class encryption during storagecluster creation needs to be updated
1943316 - [OVN SCALE] Combine Logical Flows inside Southbound DB.
1947122 - [CI] [UPI] use a standardized and reliable way to install google cloud SDK in UPI image
1947909 - Copied CSVs show up as adopted components
1948267 - [kube-descheduler]descheduler operator pod should not run as “BestEffort” qosClass
1948938 - [e2e][automation][prow] Prow script point to deleted resource
1949024 - Openshift 4 has a zombie problem
1949239 - [4.7z] Bump OVN: Lots of conjunction warnings in ovn-controller container logs

5. References:

https://access.redhat.com/security/cve/CVE-2021-3121
https://access.redhat.com/security/cve/CVE-2021-20305
https://access.redhat.com/security/updates/classification/#moderate

6. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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