RHSA-2026:44232: Critical: OpenShift Container Platform 4.22.7 bug fix and security update
Critical: OpenShift Container Platform 4.22.7 bug fix and security update
Other sources
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 4.22.7. See the following advisory for the RPM packages for this release:https://access.redhat.com/errata/RHBA-2026:44229 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/openshiftcontainerplatform/4.22/html/releasenotes/ Security Fix(es): kernel: ip6tunnel: clear skb2->cb[] in ip4ip6err() (CVE-2026-43037) cifs-utils: local privilege escalation via forged cifs.spnego key description in cifs.upcall (CVE-2026-12505) podman: Podman: Information disclosure via malicious container image environment variables (CVE-2026-57231) 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/openshiftcontainerplatform/4.22/html-single/updatingclusters/index#updating-cluster-cli.
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
OpenShift Container Platform 4.22to a version that resolves this vulnerability.Fixed in 4.22.7Patch RHBA-2026:44229 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 4.22.7Patch RHBA-2026:44229 - Compensating control
For each affected architecture mentioned (x86_64, s390x, ppc64le, aarch64), verify the upgraded OpenShift release image digests match the provided sha256 values before completing the upgrade.
- Operational
After upgrading to OpenShift Container Platform 4.22.7, fully apply the asynchronous errata update using the documented cluster upgrade procedure so all updated packages/images take effect.
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:44232?
The severity of RHSA-2026:44232 is critical, with a score of 9.
How do I fix RHSA-2026:44232?
To fix RHSA-2026:44232, you need to update to Red Hat OpenShift Container Platform version 4.22.7 or later.
What type of vulnerabilities does RHSA-2026:44232 address?
RHSA-2026:44232 addresses various bug fixes and security vulnerabilities within the OpenShift Container Platform.
What versions of OpenShift does RHSA-2026:44232 affect?
RHSA-2026:44232 affects Red Hat OpenShift Container Platform for various architectures including IBM Z, LinuxONE, Power, and ARM 64.
When was RHSA-2026:44232 published?
RHSA-2026:44232 was published on July 28, 2026.