Important: OpenShift Container Platform 4.12.47 security update

Synopsis

Important: OpenShift Container Platform 4.12.47 security update

Type/Severity

Security Advisory: Important

Topic

Red Hat OpenShift Container Platform release 4.12.47 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 Important. 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.

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.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

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-17370 - [UI] Installed Operators page crashed with TypeError: "Cannot read properties of undefined (reading 'name')" when navigated from the StorageSystems page
  • OCPBUGS-22091 - [release-4.12] High CPU usage in the ovs-vswitchd daemon
  • OCPBUGS-22431 - [release-4.12] Installed Operators page crashes with "Oh no! Something went wrong." error
  • OCPBUGS-22689 - Increase health probe for openshift apiserver
  • OCPBUGS-23184 - [azure] missing instance type validation check under defaultMachinePlatform
  • OCPBUGS-23302 - images: RHEL-8 container image is missing `xz`
  • OCPBUGS-23486 - mapi_current_pending_csr metric firing when non-mapi CSRs are present
  • OCPBUGS-24256 - [release-4.12] Gather HelmChart Information
  • OCPBUGS-24480 - overprovisionRatio can not be set to 1
  • OCPBUGS-25213 - [release-4.12] User can impersonate to all the user without the appropriate rolebinding
  • OCPBUGS-25214 - Backport OCPBUGS-3840 to 4.12
  • OCPBUGS-25303 - Machine API Operator vSphere controller references retired KCS for HW Version Migrations
  • OCPBUGS-25642 - [release-4.12] Add client version in must-gather summary