Red Hat Product Errata RHSA-2023:6039 - Security Advisory
Issued:
2023-10-23
Updated:
2023-10-23

RHSA-2023:6039 - Security Advisory

Synopsis

Important: Node Maintenance Operator 5.0.1 security update

Type/Severity

Security Advisory: Important

Topic

This is an updated version of the Node Maintenance 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 Node Maintenance Operator cordons off nodes from the rest of the cluster and drains all the pods from the nodes. By placing nodes under maintenance, you can investigate problems with a machine, or perform operations on the underlying machine, that might result in a node failure.

This version contains fixes for node-maintenance-must-gather-container, node-maintenance-operator-bundle-container, and node-maintenance-operator-container.

Security Fix(es):

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

A Red Hat Security Bulletin which addresses further details about the Rapid Reset flaw is available in the References section.

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

  • 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/node-maintenance-must-gather-rhel8@sha256:21c3c638dc206d3f4a4b0295455e8f26e679a6c30a74746bc1be8d080dcf6883
workload-availability/node-maintenance-operator-bundle@sha256:9fe87e1b0c49dd00a6ab0c35b68ebf641f347ac5b405d31f3c5ace02a7a30540
workload-availability/node-maintenance-rhel8-operator@sha256:6aa1ce70d3d9cc464ae84efce5d0c88a81cdda713a51611be873b550842bde82

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