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Red Hat Security Advisory 2021-0171-01

Red Hat Security Advisory 2021-0171-01
Posted Jan 26, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0171-01 - 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-2020-8564
MD5 | 6f479ba5a7c44ffcfc3fb3c37ca78d62

Red Hat Security Advisory 2021-0171-01

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Red Hat Security Advisory

Synopsis: Moderate: OpenShift Container Platform 4.6.13 bug fix and security update
Advisory ID: RHSA-2021:0171-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0171
Issue date: 2021-01-25
CVE Names: CVE-2020-8564

1. Summary:

Red Hat OpenShift Container Platform release 4.6.13 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 4.6.

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):

* kubernetes: Docker config secrets leaked when file is malformed and
loglevel >= 4 (CVE-2020-8564)

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 4.6.13. See the following advisory for the RPM packages for this


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:


This update fixes the following bug among others:

* Previously, when the installation program checked to ensure the minimum
25GB disk space was available per node, the validation only checked the
OpenStack flavor and not whether the separate root disk had been attached
from dedicated storage. This caused clusters using a small flavor in
combination with sufficient root disk space to be refused during
installation. This has been fixed by considering the additional root disk
space when validating the required disk space. Now you can successfully
install a cluster with a combination of flavor disk space and root disk
space. (BZ#1899161)

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

(For x86_64 architecture)

$ oc adm release info

The image digest is

(For s390x architecture)

$ oc adm release info

The image digest is

(For ppc64le architecture)

$ oc adm release info

The image digest is

All OpenShift Container Platform 4.6 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
- -between-minor.html#understanding-upgrade-channels_updating-cluster-between
- -minor.

3. Solution:

For OpenShift Container Platform 4.6 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:


Details on how to access this content are available at
- -cli.html.

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

1869634 - [Assisted-4.5] [cluster validation] Cluster has Ready status although DNS domain is not set
1886637 - CVE-2020-8564 kubernetes: Docker config secrets leaked when file is malformed and loglevel >= 4
1890231 - [Assisted-4.6] Installed cluster has error message in Update status: Version not found
1891742 - 4.6: OperatorStatusChanged is noisy
1899161 - OpenShift 4.6/OSP install fails when node flavor has less than 25GB, even with dedicated storage
1903586 - kube-scheduler not scheduling pods for certificates not renewed automatically after nodes restoration
1903991 - Failed NTP validations on the cluster after installation completed
1904547 - Bundle images should be persisted to related_image table in registry database but are not
1912564 - p&f: carry 97206: clean up executing request on panic
1913316 - Upgrade from 4.6 to 4.7 stuck due to write /sys/devices/xxxx/block/sda/queue/scheduler: invalid argument
1914892 - Upgrading to 4.6.10 nightly failed with RHEL worker nodes: Failed to find /dev/disk/by-label/root
1915925 - cluster-api-provider-openstack: Update ose-openstack-machine-controllers builder & base images to be consistent with ART
1916166 - Update csi-driver-nfs builder & base images to be consistent with ART
1916582 - OKD payloads expect to be signed with production keys
1916687 - [sig-devex][Feature:ImageEcosystem][Slow] openshift images should be SCL enabled returning s2i usage when running the image
1917014 - test/cmd/builds.sh uses docker.io

5. References:


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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