RHSA-2026:29080: Important: OpenShift Container Platform 4.16.65 bug fix and security update
Important: OpenShift Container Platform 4.16.65 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 4.16.65. See the following advisory for the RPM packages for this release:https://access.redhat.com/errata/RHSA-2026:29079 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/4.16/html/releasenotes/ Security Fix(es): kernel: net/sched: actpedit: extend the writable skb range per key (CVE-2026-46331) 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 4.16 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/4.16/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 4.16to a version that resolves this vulnerability.Fixed in 4.16.65Patch RHSA-2026:29079 - Compensating control
Apply the updated OpenShift Container Platform 4.16.65 images/packages via the appropriate OpenShift release channel, following the documented cluster upgrade instructions.
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:29080?
The severity of RHSA-2026:29080 is classified as high with a score of 7.
How do I fix RHSA-2026:29080?
To fix RHSA-2026:29080, update your Red Hat OpenShift Container Platform to version 4.16.65 using the provided container images.
What type of vulnerabilities does RHSA-2026:29080 address?
RHSA-2026:29080 addresses bug fixes and security vulnerabilities in Red Hat OpenShift Container Platform.
Is RHSA-2026:29080 relevant for all Red Hat OpenShift deployments?
Yes, RHSA-2026:29080 is relevant for Red Hat OpenShift Container Platform deployments across various architectures including IBM Z, LinuxONE, Power, and ARM 64.
When was RHSA-2026:29080 published?
RHSA-2026:29080 was published on July 1, 2026.