RHSA-2025:4666 - Security Advisory

Topic

Red Hat Advanced Cluster Management for Kubernetes 2.11.7 General
Availability release images, with updates to container images and bug fixes.

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 2.11.7 images

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/2.11/html/release_notes/

Security fixes:

• golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh (CVE-2025-22869)
• golang-jwt/jwt: jwt-go allows excessive memory allocation during header parsing (CVE-2025-30204)
• crypto/internal/nistec: golang: Timing sidechannel for P-256 on ppc64le in crypto/internal/nistec (CVE-2025-22866)
• golang: net/http: net/http: sensitive headers incorrectly sent after cross-domain redirect (CVE-2024-45336)

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

• ACM-15050 - Not setting a limit is setting the parameter to 0 instead of not setting it
• ACM-17312 - High klusterlet-addon-search CPU usage [release-2.11]

CVEs

• CVE-2019-12900
• CVE-2020-11023
• CVE-2021-3903
• CVE-2021-35937
• CVE-2021-35938
• CVE-2021-35939
• CVE-2021-43618
• CVE-2022-48554
• CVE-2022-48624
• CVE-2022-49043
• CVE-2023-4016
• CVE-2023-4806
• CVE-2023-4813
• CVE-2023-4911
• CVE-2023-5981
• CVE-2023-7008
• CVE-2023-7104
• CVE-2023-27533
• CVE-2023-27534
• CVE-2023-27536
• CVE-2023-27538
• CVE-2023-29491
• CVE-2023-29499
• CVE-2023-32611
• CVE-2023-32665
• CVE-2023-36054
• CVE-2023-37920
• CVE-2023-38545
• CVE-2023-38546
• CVE-2023-39615
• CVE-2023-39975
• CVE-2023-44487
• CVE-2023-46218
• CVE-2023-48795
• CVE-2023-51385
• CVE-2023-52425
• CVE-2024-0553
• CVE-2024-0567
• CVE-2024-2236
• CVE-2024-2398
• CVE-2024-2511
• CVE-2024-2961
• CVE-2024-3596
• CVE-2024-4603
• CVE-2024-4741
• CVE-2024-5535
• CVE-2024-6387
• CVE-2024-6409
• CVE-2024-8176
• CVE-2024-10041
• CVE-2024-10963
• CVE-2024-12085
• CVE-2024-12797
• CVE-2024-22365
• CVE-2024-25062
• CVE-2024-26458
• CVE-2024-26461
• CVE-2024-26462
• CVE-2024-28182
• CVE-2024-28757
• CVE-2024-28834
• CVE-2024-28835
• CVE-2024-32002
• CVE-2024-32004
• CVE-2024-32020
• CVE-2024-32021
• CVE-2024-32465
• CVE-2024-32487
• CVE-2024-33599
• CVE-2024-33600
• CVE-2024-33601
• CVE-2024-33602
• CVE-2024-34397
• CVE-2024-37370
• CVE-2024-37371
• CVE-2024-45336
• CVE-2024-45490
• CVE-2024-45491
• CVE-2024-45492
• CVE-2024-50602
• CVE-2024-56171
• CVE-2025-0395
• CVE-2025-22866
• CVE-2025-22868
• CVE-2025-22869
• CVE-2025-24928
• CVE-2025-30204

References

• https://access.redhat.com/security/updates/classification/#important
• https://docs.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.11/html/release_notes/