Moderate: OpenShift Container Platform 4.11.16 security update

Topic

Red Hat OpenShift Container Platform release 4.11.16 is now available with updates to packages and images that fix several bugs and add enhancements.

This release includes a security update for Red Hat OpenShift Container Platform 4.11.

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 container images for Red Hat OpenShift Container Platform 4.11.16. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/RHSA-2022:8534

Security Fix(es):

• golang: net/http: handle server errors after sending GOAWAY

(CVE-2022-27664)

• golang: math/big: decoding big.Float and big.Rat types can panic if the

encoded message is too short, potentially allowing a denial of service
(CVE-2022-32189)

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 Console or the CLI oc command. 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/4.10/release_notes/ocp-4-10-release-notes.html

You may download the oc tool and use it to inspect release image metadata for x86_64, s390x, ppc64le, and aarch64 architectures.

The image digests may be found at https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags

The sha values for the release are:

(For x86_64 architecture)
The image digest is sha256:01c9ef7f802f0ba254847c22e960cd6453ed9f61d9296fdda8bd497712f53e23

(For s390x architecture)
The image digest is sha256:8e2adb075d0666881cbd360c679d9fdc893e797c64480bca8db50956a415105e

(For ppc64le architecture)
The image digest is sha256:598ace9ac33904216a9506d81f6dd7d56e7ca66a7d849e43cb58304f8eb738ef

(For aarch64 architecture)
The image digest is sha256:e4bb06fe2b63bf2776e529d97202ae7615bdee9811ce10a737052c11d8cd7e83

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 Console or the CLI oc command. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.11/updating/updating-cluster-cli.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 - 2075126 - validate and report error during kernelArguments mismatch
• BZ - 2102241 - [OVN HWOL] Avoid masked access to ct_label to allow offloading of ECMP symmetric reply and load balanced traffic
• BZ - 2113814 - CVE-2022-32189 golang: math/big: decoding big.Float and big.Rat types can panic if the encoded message is too short, potentially allowing a denial of service
• BZ - 2124669 - CVE-2022-27664 golang: net/http: handle server errors after sending GOAWAY
• OCPBUGS-2983 - [RFE] 4.11 Azure DiskEncryptionSet static validation does not support upper-case letters
• OCPBUGS-3197 - [4.11.z backport][4.8][OVN] RHEL 7.9 DHCP worker ovs-configuration fails
• OCPBUGS-1847 - Image registry panics while deploying OCP in me-central-1 AWS region
• OCPBUGS-1790 - [4.11] Users can't silence alerts from the dev console when dedicated UWM Alertmanager is deployed
• OCPBUGS-3260 - bump fedora-coreos-config submodule
• OCPBUGS-3190 - OpenShift webconsole , metrics tab does not display data
• OCPBUGS-2925 - lldp filtering not working at capture

CVEs

• CVE-2022-27664
• CVE-2022-32189

References

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