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HistoryJun 23, 2021 - 5:30 a.m.

(RHSA-2021:2130) Moderate: Windows Container Support for Red Hat OpenShift 2.0.1 security and bug fix update


0.02 Low




Windows Container Support for Red Hat OpenShift allows you to deploy Windows container workloads running on Windows Server containers.

Security Fix(es):

  • kubernetes: LoadBalancer Service type don’t create a HNS policy for empty or invalid external loadbalancer IP, what could lead to MITM (CVE-2021-25736)

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.

Bug Fix(es):

  • WMCO patch pub-key-hash annotation to Linux node (BZ#1945248)

  • LoadBalancer Service type with invalid external loadbalancer IP breaks the datapath (BZ#1952917)

  • Telemetry info not completely available to identify windows nodes (BZ#1955319)

  • WMCO incorrectly shows node as ready after a failed configuration (BZ#1956412)

  • kube-proxy service terminated unexpectedly after recreated LB service (BZ#1963263)