Advisory Published
Advisory Published

RHSA-2021:5106: Critical: OpenShift Container Platform 4.6.z security update

First published: Thu Dec 16 2021(Updated: )

Red Hat OpenShift Container Platform is Red Hat's cloud computing<br>Kubernetes application platform solution designed for on-premise or private<br>cloud deployments.<br>Security Fix(es):<br><li> log4j-core: Remote code execution in Log4j 2.x when logs contain an attacker-controlled string value (CVE-2021-44228)</li> <li> log4j-core: DoS in log4j 2.x with thread context message pattern and context lookup pattern (incomplete fix for CVE-2021-44228) (CVE-2021-45046)</li> 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.

Affected SoftwareAffected VersionHow to fix
Red Hat OpenShift Container Platform for IBM LinuxONE>=4.6.0

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Frequently Asked Questions

  • What is the severity of RHSA-2021:5106?

    The severity of RHSA-2021:5106 is critical due to the potential for remote code execution in Log4j 2.x.

  • How do I fix RHSA-2021:5106?

    To fix RHSA-2021:5106, update the log4j-core package to the latest version as recommended by Red Hat.

  • Which versions of Red Hat OpenShift are affected by RHSA-2021:5106?

    RHSA-2021:5106 affects various versions of Red Hat OpenShift Container Platform that include log4j-core versions vulnerable to the specified remote code execution.

  • What is the impact of not addressing RHSA-2021:5106?

    Failing to address RHSA-2021:5106 could allow an attacker to execute arbitrary code on the affected system.

  • Is there a workaround for RHSA-2021:5106?

    While the recommended action is to update, if immediate patching is not possible, mitigating factors include limiting access to vulnerable log4j components and auditing logs for exploitation attempts.

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