Red Hat Security Advisory: OpenShift Container Platform 4.16.65 bug fix and security update
🔗 CVE IDs covered (1)
📋 Description
CVE-2026-46331 — kernel: net/sched: act_pedit: extend the writable skb range per key
🎯 Affected products5
- Red Hat OpenShift Container Platform 4.16
- rhcos-aarch64-416.94.202606230218-0 as a component of Red Hat OpenShift Container Platform 4.16
- rhcos-ppc64le-416.94.202606230218-0 as a component of Red Hat OpenShift Container Platform 4.16
- rhcos-s390x-416.94.202606230218-0 as a component of Red Hat OpenShift Container Platform 4.16
- rhcos-x86_64-416.94.202606230218-0 as a component of Red Hat OpenShift Container Platform 4.16
✅ Remediation
For OpenShift Container Platform 4.16 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/4.16/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 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:f97848303f52c86e6ccb87612f9a8dab42891a8036ccb2965255630b9253aee7 (For s390x architecture) The image digest is sha256:efd62b8834a5f387038640564cd3dc8e177d2abefab932c994ae568259f884d7 (For ppc64le architecture) The image digest is sha256:e9bb0b7314b853fc2a963877fccd920cf96c44037cc32da96b2e53ec709684f7 (For aarch64 architecture) The image digest is sha256:2ca99084579eed9160c76af9ae2a144ac0ff70462ee5d5ad0875b6cc14688ef9 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/openshift_container_platform/4.16/html-single/updating_clusters/index#updating-cluster-cli. Workaround: See the security bulletin for a detailed mitigation procedure.