Issued:
2023-11-01
Updated:
2023-11-01

RHSA-2023:6154 - Important: Secondary Scheduler Operator for Red Hat OpenShift 1.2.0

Synopsis

Important: Secondary Scheduler Operator for Red Hat OpenShift 1.2.0

Type/Severity

Security Advisory: Important

Topic

Secondary Scheduler Operator for Red Hat OpenShift 1.2.0

Description

The Secondary Scheduler Operator for Red Hat OpenShift is an optional operator that makes it possible to deploy a secondary scheduler by providing a scheduler image. You can run a scheduler with custom plugins without applying additional manifests, such as cluster roles and deployments.

Security Fix(es):

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

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

  • golang: html/template: improper handling of HTML-like comments within script contexts (CVE-2023-39318)

  • golang: html/template: improper handling of special tags within script contexts (CVE-2023-39319)

  • golang: crypto/tls: panic when processing post-handshake message on QUIC connections (CVE-2023-39321)

  • golang: crypto/tls: lack of a limit on buffered post-handshake (CVE-2023-39322)

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
Secondary Scheduler Operator for Red Hat OpenShift (OSSO)1x86_64

Fixes

CVEs

References

Additional information