RHSA-2025:11677 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.18.21 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 4.18.

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 4.18.21. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/RHSA-2025:11678

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/4.18/html/release_notes/

Security Fix(es):

• github.com/golang/glog: Vulnerability when creating log files in github.com/golang/glog (CVE-2024-45339)
• podman: podman missing TLS verification (CVE-2025-6032)
• jq: AddressSanitizer: stack-buffer-overflow in jq_fuzz_execute (jv_string_vfmt)(CVE-2025-48060)

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 4.18 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/4.18/html-single/updating_clusters/index#updating-cluster-cli.

Solution

For OpenShift Container Platform 4.18 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/4.18/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 sha256:9d1b107adad76f023493b8c2b74902639f66273cc120e255454ad447a9ef27d9

(For s390x architecture)
The image digest is sha256:2c4ebec9a6d45e18666c4f32b20b55a5058daaf365aedd65be0d5e2dcd07b548

(For ppc64le architecture)
The image digest is sha256:96e05192eebabb4f77b38bf01dc98ef6bae65cb2b732aae9cd2153de057e24f2

(For aarch64 architecture)
The image digest is sha256:fb5ab479f13197b2c8339621bc56d96d20c0bf4edf5a1f91b539031f0c9965ae

All OpenShift Container Platform 4.18 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/4.18/html-single/updating_clusters/index#updating-cluster-cli.

Affected Products

• Red Hat OpenShift Container Platform 4.18 for RHEL 9 x86_64
• Red Hat OpenShift Container Platform 4.18 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.18 for RHEL 9 ppc64le
• Red Hat OpenShift Container Platform for Power 4.18 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.18 for RHEL 9 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.18 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for ARM 64 4.18 for RHEL 9 aarch64
• Red Hat OpenShift Container Platform for ARM 64 4.18 for RHEL 8 aarch64

Fixes

• BZ - 2342463 - CVE-2024-45339 github.com/golang/glog: Vulnerability when creating log files in github.com/golang/glog
• BZ - 2367842 - CVE-2025-48060 jq: AddressSanitizer: stack-buffer-overflow in jq_fuzz_execute (jv_string_vfmt)
• BZ - 2372501 - CVE-2025-6032 podman: podman missing TLS verification
• OCPBUGS-54314 - [4.18] Metrics "Export as CSV" is not working for all queries
• OCPBUGS-56167 - [release-4.18] Azure Capacity Reservation Group does not work across subscriptions
• OCPBUGS-56995 - P CI- Fix bearer token exposure in exit condition
• OCPBUGS-57068 - [v2] when oc-mirror version 4.18.3, 4.18.4 and 4.18.5 graph image synchronization generates an error
• OCPBUGS-57782 - iptables: Switch PREROUTING REDIRECT rule to DNAT instead
• OCPBUGS-57887 - Bump to Kubernetes v1.31.10
• OCPBUGS-57949 - CannotRetrieveServiceAccount when image registry is disabled
• OCPBUGS-58203 - OpenShift console PVC clone cannot use B as the unit
• OCPBUGS-58280 - Reduce the default to avoid network issues
• OCPBUGS-58366 - Component Readiness: [Networking / cluster-network-operator] [EgressIP] pods should have the assigned EgressIPs and EgressIPs can be deleted and recreated
• OCPBUGS-58457 - [release-4.18] Navigating away from plugin console.tab/horizontalNav to other tabs results in white tab page
• OCPBUGS-59235 - [v2]diskToMirror on disconnected env --from option has not checked whether the folder exists, or the tar file in the folder
• OCPBUGS-59260 - [release-4.18] After scale down the last node has ToBeDeletedByClusterAutoscaler taint
• OCPBUGS-59280 - Runtimecfg security check failing
• OCPBUGS-59421 - bundle unpacking jobs do not tolerate master nodes
• OCPBUGS-59443 - Not able to launch terminal window from OCP web console due to console plugin conflicts
• OCPBUGS-59501 - Passing Origin header when using console proxy
• OCPBUGS-59623 - [4.18] mismatch of libreswan version between ovn-kubernestes and os repos

CVEs

• CVE-2023-52933
• CVE-2024-45339
• CVE-2024-52533
• CVE-2025-4373
• CVE-2025-6032
• CVE-2025-21759
• CVE-2025-22004
• CVE-2025-22121
• CVE-2025-23150
• CVE-2025-37738
• CVE-2025-38110
• CVE-2025-40909
• CVE-2025-47268
• CVE-2025-48060

References

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