Red Hat Product Errata RHSA-2023:6041 - Security Advisory
Issued:
2023-10-23
Updated:
2023-10-23

RHSA-2023:6041 - Security Advisory

Synopsis

Important: Self Node Remediation Operator 0.7.1 security update

Type/Severity

Security Advisory: Important

Topic

This is an updated version of the Self Node Remediation Operator. This Operator is delivered by Red Hat Workload Availability.

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 Self Node Remediation Operator works in conjunction with machine health check or node health check to provide automatic remediation of unhealthy nodes by rebooting them. This minimizes downtime for stateful applications and ReadWriteOnce (RWO) Volumes, as well as restoring compute capacity in the event of transient failures.

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

For details on how to apply this update, which includes the changes described in this advisory, refer to:

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

Affected Products

  • Red Hat OpenShift Workload Availability 1 x86_64

Fixes

  • BZ - 2242803 - CVE-2023-44487 HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)
  • BZ - 2243296 - CVE-2023-39325 golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487)

x86_64

workload-availability/self-node-remediation-operator-bundle@sha256:9e8bcbff46b97f3bc1071146b8db233abd1630016e6fc0efb679df8243c6fd03
workload-availability/self-node-remediation-rhel8-operator@sha256:9b305b10d6b92ddcdddd7ec63e347bdbfb4a87f629b6490de27380f5ed9e6640

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.