RHSA-2025:4002 - Security Advisory

Topic

Red Hat Advanced Cluster Management for Kubernetes 2.12.3 General
Availability release, with updates to container images.

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 links in the References section.

Description

Red Hat Advanced Cluster Management for Kubernetes 2.12.3 images and bug
fix updates

Red Hat Advanced Cluster Management for Kubernetes provides the
capabilities to address common challenges that administrators and site
reliability engineers face as they work across a range of public and
private cloud environments. Clusters and applications are all visible and
managed from a single console—with security policy built in.

This advisory contains the container images for Red Hat Advanced Cluster
Management for Kubernetes, which fix several bugs. See the following
Release Notes documentation, which will be updated shortly for this
release, for additional details about this release:

https://docs.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.12/html/release_notes/

Security fix(es):

• golang.org/x/oauth2: Unexpected memory consumption during token parsing in

golang.org/x/oauth2 (CVE-2025-22868)

• golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh (CVE-2025-22869)

Solution

Before applying this update, make sure all previously released erratas are
relevant and have been applied to your system.

Affected Products

• Red Hat Advanced Cluster Management for Kubernetes 2 for RHEL 9 x86_64

Fixes

• BZ - 2348366 - CVE-2025-22868 golang.org/x/oauth2/jws: Unexpected memory consumption during token parsing in golang.org/x/oauth2/jws
• BZ - 2348367 - CVE-2025-22869 golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh
• ACM-16238 - Fix critical console bugs related to policies with exceptional templates
• ACM-16493 - Observability still causing managed clusters to flip between Available and Degraded
• ACM-17065 - Certificate errors on ROSA HCP hub requests
• ACM-17553 - [ACM 2.12] - Dual stack VIP validation fails for imported cluster
• ACM-17877 - [ACM 2.12] Node object is being deleted when ClusterInstance is deleted from management hub
• ACM-18000 - [2.12] ACMRemoteWriteError only fires on setups with 3000+ managed clusters
• ACM-11757 - Managed clusters flip between Available and Degraded

CVEs

• CVE-2019-12900
• CVE-2020-11023
• CVE-2021-3903
• CVE-2021-43618
• CVE-2022-48554
• CVE-2022-49043
• CVE-2023-7104
• CVE-2023-29491
• CVE-2023-37920
• CVE-2024-2236
• CVE-2024-2511
• CVE-2024-3596
• CVE-2024-3651
• CVE-2024-4603
• CVE-2024-4741
• CVE-2024-5535
• CVE-2024-8176
• CVE-2024-9287
• CVE-2024-10963
• CVE-2024-11168
• CVE-2024-12085
• CVE-2024-12797
• CVE-2024-28834
• CVE-2024-28835
• CVE-2024-34397
• CVE-2024-56171
• CVE-2025-22868
• CVE-2025-22869
• CVE-2025-24928

References

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