Issued:
2023-11-08
Updated:
2023-11-08

RHSA-2023:6785 - Important: Machine Deletion Remediation Operator 0.2.1 security update

Synopsis

Important: Machine Deletion Remediation Operator 0.2.1 security update

Type/Severity

Security Advisory Important

Topic

This is an updated version for the machine-deletion-remediation-operator-bundle-container and the machine-deletion-remediation-operator-container. It is now available for Machine Deletion Remediation 0.2 for RHEL 8.

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 link(s) in the References section.

Description

The Machine Deletion Remediation Operator conforms to the External Remediation of NodeHealthCheck, and is designed to work with it in order to reprovision unhealthy nodes using the Machine API. It looks for the associated Machine of an unhealthy Node, and deletes it. Once the Machine CR has been deleted, the owning controller creates a replacement.

Security Fix(es):

  • golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487) (CVE-2023-39325)

  • HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)

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.

Solution

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

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

ProductVersionArch
Red Hat OpenShift Workload Availability1x86_64

Fixes

CVEs

References

Additional information