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

Synopsis:          Moderate: OpenShift Container Platform 4.11.27 security update
Advisory ID:       RHSA-2023:0652-01
Product:           Red Hat OpenShift Enterprise
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:0652
Issue date:        2023-02-15
CVE Names:         CVE-2021-38561 CVE-2022-21698 CVE-2022-47629 
=====================================================================

1. Summary:

Red Hat OpenShift Container Platform release 4.11.27 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.

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.

This advisory contains the RPM packages for Red Hat OpenShift Container
Platform 4.11.27. See the following advisory for the container images for
this release:

https://access.redhat.com/errata/RHSA-2023:0651

Security Fix(es):

* golang: out-of-bounds read in golang.org/x/text/language leads to DoS
(CVE-2021-38561)

* prometheus/client_golang: Denial of service using
InstrumentHandlerCounter (CVE-2022-21698)

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.

3. Solution:

For OpenShift Container Platform 4.11 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/4.11/release_notes/ocp-4-11-release-notes.html

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

2045880 - CVE-2022-21698 prometheus/client_golang: Denial of service using InstrumentHandlerCounter
2100495 - CVE-2021-38561 golang: out-of-bounds read in golang.org/x/text/language leads to DoS

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

OCPBUGS-4754 - Race condition between PTP events and AMQ router startup

6. References:

https://access.redhat.com/security/cve/CVE-2021-38561
https://access.redhat.com/security/cve/CVE-2022-21698
https://access.redhat.com/security/cve/CVE-2022-47629
https://access.redhat.com/security/updates/classification/#moderate

7. Contact:

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

Copyright 2023 Red Hat, Inc.
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