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Red Hat Security Advisory 2021-1227-01

Red Hat Security Advisory 2021-1227-01
Posted Apr 26, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1227-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-3121
MD5 | 82164a2f05cbca49672e3542b95a8c2d

Red Hat Security Advisory 2021-1227-01

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

Synopsis: Moderate: OpenShift Container Platform 4.7.8 security and extras update
Advisory ID: RHSA-2021:1227-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1227
Issue date: 2021-04-26
CVE Names: CVE-2021-3121
====================================================================
1. Summary:

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

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

https://access.redhat.com/errata/RHSA-2021:1225

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
1950891 - Placeholder bug for OCP 4.7.0 extras release

5. References:

https://access.redhat.com/security/cve/CVE-2021-3121
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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