RHSA-2025:2449 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.18.4 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 4.18.4. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/RHBA-2025:2451

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.openshift.com/container-platform/4.18/release_notes/ocp-4-18-release-notes.html

Security Fix(es):

• buildah: Buildah allows arbitrary directory mount (CVE-2024-9675)
• golang.org/x/net/html: Non-linear parsing of case-insensitive content in

golang.org/x/net/html (CVE-2024-45338)

• kernel: HID: core: zero-initialize the report buffer (CVE-2024-50302)
• mholt/archiver: path traversal vulnerability (CVE-2024-0406)
• golang-protobuf: encoding/protojson, internal/encoding/json: infinite

loop in protojson.Unmarshal when unmarshaling certain forms of invalid JSON
(CVE-2024-24786)

• distribution: Distribution's token authentication allows attacker to

inject an untrusted signing key in a JWT (CVE-2025-24976)

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.openshift.com/container-platform/4.18/updating/updating_a_cluster/updating-cluster-cli.html

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.openshift.com/container-platform/4.18/release_notes/ocp-4-18-release-notes.html

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 sha256:61dffd292f6689a3381dd05f7845dcd5d27c099fce2f460aa03d760d535f81e6

(For s390x architecture)
The image digest is sha256:eb491d073925d635cbfe0d56d2474ef5ad25301da175648a7d577ed4cd4243c1

(For ppc64le architecture)
The image digest is sha256:5df510f9d63ec31215a16cf0e08b0d9834d51c700666814cd3b6cb66b5572833

(For aarch64 architecture)
The image digest is sha256:218776c1c290da3bffb333d81ea34fb287fc8549df204fcb49eabcfc92c38f0b

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.openshift.com/container-platform/4.18/updating/updating_a_cluster/updating-cluster-cli.html

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 - 2257749 - CVE-2024-0406 mholt/archiver: path traversal vulnerability
• BZ - 2268046 - CVE-2024-24786 golang-protobuf: encoding/protojson, internal/encoding/json: infinite loop in protojson.Unmarshal when unmarshaling certain forms of invalid JSON
• BZ - 2317458 - CVE-2024-9675 buildah: Buildah allows arbitrary directory mount
• BZ - 2327169 - CVE-2024-50302 kernel: HID: core: zero-initialize the report buffer
• BZ - 2333122 - CVE-2024-45338 golang.org/x/net/html: Non-linear parsing of case-insensitive content in golang.org/x/net/html
• BZ - 2344940 - CVE-2025-24976 distribution: Distribution's token authentication allows attacker to inject an untrusted signing key in a JWT
• OCPBUGS-44027 - IPA logs are duplicated in journal
• OCPBUGS-44310 - Request to update RHCOS bootimage based on RHEL 9.4.z set to be released on Nov-19
• OCPBUGS-48296 - [4.18]New nodes scaled using 4.5 base image cannot join the cluster if techpreview is enabled
• OCPBUGS-48377 - [release-4.18] Route update does not work correctly in a multiple EAP clusters environment
• OCPBUGS-48809 - NMState-configuration service is not available for assisted baremetal
• OCPBUGS-49885 - [Nutanix] Install multi-NICs cluster failed with failureDomains
• OCPBUGS-50981 - Kubevirt and OSUS image skipped in collection phase
• OCPBUGS-51086 - Show Observe section without PROMETHEUS and MONITORING flags
• OCPBUGS-51088 - [4.18] Automate AMD LLC Configuration test cases
• OCPBUGS-51149 - CSR permission should not be a hard requirement for viewing Node tab
• OCPBUGS-51180 - OLM UI doesn't parse links in operator.openshift.io/uninstall-message
• OCPBUGS-51263 - oVirt support should be removed from Machine API operator
• OCPBUGS-51266 - metal3 pods fail on creating provisioning resource on UPI arm64 cluster
• OCPBUGS-51295 - Component Readiness: [Etcd] [operator-conditions] test regressed
• OCPBUGS-51314 - [4.18] Add common interface to fetch mcp pools in openshift and hypershift environment
• OCPBUGS-51375 - registryOverrides not used in getCatalogImages
• OCPBUGS-51380 - [kube-apiserver] [operator-conditions] test regressed due to control plane machine set operator jobs
• OCPBUGS-52173 - [release-4.18] OLMv1: fails to unpack cert-manager-operator-bundle
• OCPBUGS-45250 - DataImage owned by deleted BareMetalHost is still present after BareMetalHost deletion
• OCPBUGS-50865 - resolv-prepender fails on missing env file
• OCPBUGS-51211 - [GCP] with user defined tags, sometimes "create cluster" got panic
• OCPBUGS-52290 - [4.18] runlogwatch in ironic-image is broken
• OCPBUGS-52417 - DescribeVpcEndpoints calls are 25% of total AWS API call volume for CI

CVEs

• CVE-2024-0406
• CVE-2024-8676
• CVE-2024-9675
• CVE-2024-11218
• CVE-2024-24786
• CVE-2024-45338
• CVE-2024-50302
• CVE-2024-54543
• CVE-2025-1244
• CVE-2025-24162
• CVE-2025-24976

References

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