RHSA-2021:3873: Important: Red Hat Advanced Cluster Management 2.2.9 security, bug, and container updates

Published Oct 14, 2021
·
Updated

Red Hat Advanced Cluster Management for Kubernetes 2.2.9 imagesRed 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 provide bug fixes and security fixes. See the following Release Notes documentation, which will be updated shortly for this release, for additional details about this release:https://access.redhat.com/documentation/en-us/redhatadvancedclustermanagementforkubernetes/2.2/html/releasenotes/ Security fixes: nginx: Off-by-one in ngxresolvercopy() when labels are followed by a pointer to a root domain name (CVE-2021-23017) redis: Lua scripts can overflow the heap-based Lua stack (CVE-2021-32626) redis: Integer overflow issue with Streams (CVE-2021-32627) redis: Integer overflow bug in the ziplist data structure (CVE-2021-32628) redis: Integer overflow issue with intsets (CVE-2021-32687) redis: Integer overflow issue with strings (CVE-2021-41099) redis: Out of bounds read in lua debugger protocol parser (CVE-2021-32672) redis: Denial of service via Redis Standard Protocol (RESP) request (CVE-2021-32675) object-path: Type confusion vulnerability can lead to a bypass of CVE-2020-15256 (CVE-2021-23434) Bug fixes: RHACM 2.2.9 images (BZ #1999601)

Affected Software

1 affected component
Red Hat Advanced Cluster Management

Remediation

Event History

Mar 3, 2026
Advisory Published
via Red Hat·09:14 AM
Data Sourced
via Red Hat·09:14 AM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2021:3873?

The severity of RHSA-2021:3873 is classified as Important.

2

How do I fix RHSA-2021:3873?

To fix RHSA-2021:3873, update your Red Hat Advanced Cluster Management for Kubernetes to version 2.2.9.

3

What vulnerabilities does RHSA-2021:3873 address?

RHSA-2021:3873 addresses security, bug, and container vulnerabilities in Red Hat Advanced Cluster Management.

4

Is RHSA-2021:3873 applicable to all versions of Red Hat Advanced Cluster Management?

No, RHSA-2021:3873 specifically applies to Red Hat Advanced Cluster Management version 2.2.9.

5

When was RHSA-2021:3873 released?

RHSA-2021:3873 was released on October 28, 2021.

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