RHSA-2021:5148: Critical: OpenShift Container Platform 4.8.24 extras security update
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: Remote code execution in Log4j 1.x when application is configured to use JMSAppender (CVE-2021-4104)</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 Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:5148?
The severity of RHSA-2021:5148 is critical due to remote code execution vulnerabilities in Log4j 2.x.
How do I fix RHSA-2021:5148?
To fix RHSA-2021:5148, update to the latest version of log4j-core as specified in the security advisory.
What versions of Red Hat OpenShift Container Platform are affected by RHSA-2021:5148?
RHSA-2021:5148 affects versions of Red Hat OpenShift Container Platform utilizing vulnerable log4j-core versions.
Is a reboot required after applying the fix for RHSA-2021:5148?
Yes, a reboot may be required after applying the fix for RHSA-2021:5148 to ensure that all components are using the updated libraries.
What specific vulnerabilities are addressed in RHSA-2021:5148?
RHSA-2021:5148 addresses vulnerabilities related to remote code execution stemming from attacker-controlled log data in Log4j 2.x.