RHSA-2023:0566 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.11.26 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.

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 4.11.26. See the following advisory for the container images for this release:

https://access.redhat.com/errata/RHSA-2023:0565

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.

All OpenShift Container Platform 4.11 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/4.11/updating/updating-cluster-cli.html

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

Affected Products

• Red Hat OpenShift Container Platform 4.11 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.11 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.11 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for ARM 64 4.11 aarch64

Fixes

• BZ - 2045880 - CVE-2022-21698 prometheus/client_golang: Denial of service using InstrumentHandlerCounter
• BZ - 2100495 - CVE-2021-38561 golang: out-of-bounds read in golang.org/x/text/language leads to DoS
• OCPBUGS-5555 - Multiple times switching slave port to fault causes the port state to remain in HOLDOVER

CVEs

• CVE-2021-38561
• CVE-2022-21698

References

• https://access.redhat.com/security/updates/classification/#moderate