RHSA-2023:7823 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.12.46 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 4.12.

Red Hat Product Security has rated this update as having a security impact of [impact]. 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 4.12.46. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/RHBA-2023:7825

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:

https://docs.openshift.com/container-platform/4.12/release_notes/ocp-4-12-release-notes.html

Security Fix(es):

• golang: net/http, x/net/http2: rapid stream resets can cause excessive work (Rapid Reset Attack) (CVE-2023-39325)

A Red Hat Security Bulletin which addresses further details about the Rapid Reset flaw is available in the References section.

• net/http, golang.org/x/net/http2: avoid quadratic complexity in HPACK decoding (CVE-2022-41723)

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

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-4-12-release-notes.html

You can download the oc tool and use it to inspect release image metadata for x86_64, s390x, ppc64le, and aarch64 architectures. The image digests can 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 sha256:2dda17736b7b747b463b040cb3b7abba9c4174b0922e2fd84127e3887f6d69c5

(For s390x architecture)
The image digest is sha256:e566cf319b78c79252a92e5dcf1aca030f23f3043a2e07d08d0b0a610ae5e50c

(For ppc64le architecture)
The image digest is sha256:c9b2fadcde663f8af7d015efa91210506b01d226f0a1dd16ca967a846008e508

(For aarch64 architecture)
The image digest is sha256:6239b8f84d71ab75e68220d0e1b30f361eb79e18345023a64daeccffbcfbe057

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

Affected Products

• Red Hat OpenShift Container Platform 4.12 for RHEL 9 x86_64
• Red Hat OpenShift Container Platform 4.12 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.12 for RHEL 9 ppc64le
• Red Hat OpenShift Container Platform for Power 4.12 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.12 for RHEL 9 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.12 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for ARM 64 4.12 for RHEL 9 aarch64
• Red Hat OpenShift Container Platform for ARM 64 4.12 for RHEL 8 aarch64

Fixes

• BZ - 2178358 - CVE-2022-41723 net/http, golang.org/x/net/http2: avoid quadratic complexity in HPACK decoding
• BZ - 2243296 - CVE-2023-39325 golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487)
• OCPBUGS-22116 - There is no clear error log when create sts cluster with KMS key without install role in it
• OCPBUGS-22125 - Azure Image Registry Operator Making too Many Storage Account List Calls
• OCPBUGS-23379 - images: RHEL-8-based container image is broken
• OCPBUGS-23537 - [Backport 4.12.z] Agent should retry with exponential backoff even on seemingly irrecoverable errors
• OCPBUGS-23568 - Bump to kubernetes 1.25.16
• OCPBUGS-23979 - [4.12] Ironic side of external_http_url (METAL-163) is not wired in correctly
• OCPBUGS-24236 - Remove Tech Preview badge from the PAC List and details page
• OCPBUGS-24364 - Subsequent PipelineRuns should take initial PipelineRun name into account
• OCPBUGS-24388 - RHEL8 workers in 4.13+ should use openvswitch3.1
• OCPBUGS-24462 - oc process command fails while running it with a template file
• OCPBUGS-24490 - [4.12] BMH moves to deleting before all finalizers are processed

CVEs

• CVE-2022-41723
• CVE-2023-39325

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/security/vulnerabilities/RHSB-2023-003