Issued:: 2026-09-01
Updated:: 2026-09-01

RHSA-2026:60440 - Important: OpenShift Container Platform 4.22.12 bug fix and security update

Synopsis

Important: OpenShift Container Platform 4.22.12 bug fix and security update

Type/Severity

Security Advisory: Important

Topic

Red Hat OpenShift Container Platform release 4.22.12 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 4.22.

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.

This advisory contains the container images for Red Hat OpenShift Container Platform 4.22.12. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/RHBA-2026:60439

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.redhat.com/en/documentation/openshift_container_platform/4.22/html/release_notes/

Security Fix(es):

curl: curl: Insecure connection establishment due to TLS configuration mismatch (CVE-2026-8286)
curl: curl: Man-in-the-middle attack via SSH host key bypass (CVE-2026-9547)
bind9: bind: Potential wildcard CNAME RPZ policy bypass (CVE-2026-11331)
dracut: dracut: root code execution via unescaped error message written to sourced emergency hook script in die() (CVE-2026-15816)
unbound: Unbound: Cache poisoning via insufficient RRSIG.Labels validation and premature cache writes (CVE-2026-44690)
unbound: Unbound: Denial of Service via malformed EDNS Report-Channel option (CVE-2026-55973)
bind: bind9: Incorrect acceptance of NSEC3 records (CVE-2026-10723)
kernel: smb: client: validate DFS referral PathConsumed (CVE-2026-68343)
kbd: Local privilege escalation in openvt via incorrect process owner verification allowing passwordless root login (CVE-2026-72693)

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 4.22 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.redhat.com/en/documentation/openshift_container_platform/4.22/html-single/updating_clusters/index#updating-cluster-cli.

Solution

For OpenShift Container Platform 4.22 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.redhat.com/en/documentation/openshift_container_platform/4.22/html/release_notes/

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 Content from quay.io is not included.https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.

The sha values for the release are as follows:

  (For x86_64 architecture)
  The image digest is

sha256:c987c0017b86a5aed02d5fa854b4649039e7221e14fca2e824dc37b2937ce7b2

  (For s390x architecture)
  The image digest is

sha256:e38f225c850f6fdbdaf6ac3ef1f762b1e7068da19ef3cd57a00f72554e3d0a72

  (For ppc64le architecture)
  The image digest is

sha256:ea726e65a0f5f8ae5b5fe4ce31f2aa75943c893c91bd75feb644c4042c88865d

  (For aarch64 architecture)
  The image digest is

sha256:ab1d1b8e7b22fb2a6b3923e6e8fe77b8f0f774c762836a07542b7ed5ad52d86d

Affected Products

Product	Version	Arch
Red Hat OpenShift Container Platform	4.22	x86_64
Red Hat OpenShift Container Platform	4.22	x86_64
Red Hat OpenShift Container Platform for Power	4.22	ppc64le
Red Hat OpenShift Container Platform for Power	4.22	ppc64le
Red Hat OpenShift Container Platform for IBM Z and LinuxONE	4.22	s390x
Red Hat OpenShift Container Platform for IBM Z and LinuxONE	4.22	s390x
Red Hat OpenShift Container Platform for ARM 64	4.22	aarch64
Red Hat OpenShift Container Platform for ARM 64	4.22	aarch64

Fixes

CVEs

References

https://access.redhat.com/security/updates/classification/#important

Additional information

The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at Security Contacts and Procedures.
Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.