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Red Hat Security Advisory 2023-0570-01

Red Hat Security Advisory 2023-0570-01 - 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 RPM packages for Red Hat OpenShift Container Platform 4.12.2. Issues addressed include a denial of service vulnerability.

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

Synopsis: Moderate: OpenShift Container Platform 4.12.2 security update
Advisory ID: RHSA-2023:0570-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0570
Issue date: 2023-02-07
CVE Names: CVE-2021-4235
====================================================================

  1. Summary:

Red Hat OpenShift Container Platform release 4.12.2 is now available with
updates to packages and images that fix several bugs and add enhancements.

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.

  1. 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 RPM packages for Red Hat OpenShift Container
Platform 4.12.2. See the following advisory for the container images for
this release:

https://access.redhat.com/errata/RHSA-2023:0569

Security Fix(es):

  • go-yaml: Denial of Service in go-yaml (CVE-2021-4235)

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.

All OpenShift Container Platform 4.12 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 CLI (oc)
or web console. Instructions for upgrading a cluster are available at
https://docs.openshift.com/container-platform/4.12/updating/updating-cluster-cli.html

  1. Solution:

For OpenShift Container Platform 4.12 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/4.12/release_notes/ocp-4-[y]-release-notes.html

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

2156727 - CVE-2021-4235 go-yaml: Denial of Service in go-yaml

  1. JIRA issues fixed (https://issues.jboss.org/):

OCPBUGS-5526 - AMQ reconnect for 7 minutes floods linuxptp daemon with socket connection error

  1. References:

https://access.redhat.com/security/cve/CVE-2021-4235
https://access.redhat.com/security/updates/classification/#moderate

  1. Contact:

The Red Hat security contact is [email protected]. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
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