RHSA-2026:0316 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.12.84 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 Low. 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 4.12.84. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/157795

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/4.12/html/release_notes

Security Fix(es):

None

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 4.12 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/4.12/html-single/updating_clusters/index#updating-cluster-within-minor.

Solution

For OpenShift Container Platform 4.12 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/4.12/html/release_notes

You may download the oc tool and use it to inspect release image metadata for the x86_64 architecture. The image digest may be found at https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.

The sha value for the release is as follows:

(For x86_64 architecture)
The image digest is sha256:9ea794d2dd24ff7377534edfb0447e5398a28919a84300cc79fe7bb8ae550d1b

All OpenShift Container Platform 4.12 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/4.12/html-single/updating_clusters/index#updating-cluster-within-minor.

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 - 2367235 - CVE-2025-4953 podman: Build Context Bind Mount
• BZ - 2395108 - CVE-2025-59375 expat: libexpat in Expat allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing
• BZ - 2402727 - CVE-2025-11561 sssd: SSSD default Kerberos configuration allows privilege escalation on AD-joined Linux systems
• BZ - 2404715 - CVE-2025-52881 runc: opencontainers/selinux: container escape and denial of service due to arbitrary write gadgets and procfs write redirects
• BZ - 2405827 - CVE-2025-40778 bind: Cache poisoning attacks with unsolicited RRs
• BZ - 2405829 - CVE-2025-40780 bind: Cache poisoning due to weak PRNG
• BZ - 2405830 - CVE-2025-8677 bind: Resource exhaustion via malformed DNSKEY handling
• OCPBUGS-65982 - 4.12 - shareProcessNamespace pods fail to start - runc

CVEs

• CVE-2025-4953
• CVE-2025-8677
• CVE-2025-11561
• CVE-2025-40778
• CVE-2025-40780
• CVE-2025-52881
• CVE-2025-59375

References

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