RHSA-2024:0302 - Security Advisory

Topic

Kube Descheduler Operator for Red Hat OpenShift 5.0.0 for RHEL 9

An update for kube-descheduler-operator-bundle-container, descheduler-container and
kube-descheduler-operator-container is now available for KDO-5.0-RHEL-9.

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 Kube Descheduler Operator for Red Hat OpenShift is an optional
operator that deploys the descheduler, which is responsible for
evicting pods based on certain strategies.

Security Fix(es):

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

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

• Kube Descheduler Operator 5 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)
• WRKLDS-905 - New KDO 5.0.0 release
• OCPBUGS-25992 - [RFE] successful with warnings are shown when fips scan testing is done for KDO
• WRKLDS-884 - Migrate descheduler-operator from ART to CPaaS
• OCPBUGS-24597 - Descheduler operand fails to create with the latest v5.0.0 build
• OCPBUGS-26545 - upgrading descheduler operator from 4.14 to v5.0 fails
• OCPBUGS-14042 - [Descheduler] Failed to convert Descheduler minor version to float

CVEs

• CVE-2023-39325
• CVE-2023-44487

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/security/vulnerabilities/RHSB-2023-003