RedHat: RHSA-2021-2130:01 Moderate: Windows Container Support for Red Hat
Summary
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)
Summary
Solution
For Windows Machine Config Operator upgrades, see the following
documentation:
s-node-upgrades.html
References
https://access.redhat.com/security/cve/CVE-2016-10228 https://access.redhat.com/security/cve/CVE-2017-14502 https://access.redhat.com/security/cve/CVE-2019-2708 https://access.redhat.com/security/cve/CVE-2019-3842 https://access.redhat.com/security/cve/CVE-2019-9169 https://access.redhat.com/security/cve/CVE-2019-25013 https://access.redhat.com/security/cve/CVE-2020-8231 https://access.redhat.com/security/cve/CVE-2020-8284 https://access.redhat.com/security/cve/CVE-2020-8285 https://access.redhat.com/security/cve/CVE-2020-8286 https://access.redhat.com/security/cve/CVE-2020-8927 https://access.redhat.com/security/cve/CVE-2020-13434 https://access.redhat.com/security/cve/CVE-2020-13776 https://access.redhat.com/security/cve/CVE-2020-15358 https://access.redhat.com/security/cve/CVE-2020-24977 https://access.redhat.com/security/cve/CVE-2020-27618 https://access.redhat.com/security/cve/CVE-2020-28196 https://access.redhat.com/security/cve/CVE-2020-29361 https://access.redhat.com/security/cve/CVE-2020-29362 https://access.redhat.com/security/cve/CVE-2020-29363 https://access.redhat.com/security/cve/CVE-2021-3326 https://access.redhat.com/security/cve/CVE-2021-3449 https://access.redhat.com/security/cve/CVE-2021-3450 https://access.redhat.com/security/cve/CVE-2021-20305 https://access.redhat.com/security/cve/CVE-2021-25736 https://access.redhat.com/security/cve/CVE-2021-27219 https://access.redhat.com/security/updates/classification/#moderate
Package List
Topic
The components for Windows Container Support for Red Hat OpenShift 2.0.1are now available.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Bugs Fixed
1945248 - WMCO patch pub-key-hash annotation to Linux node
1946538 - CVE-2021-25736 kubernetes: LoadBalancer Service type don't create a HNS policy for empty or invalid external loadbalancer IP, what could lead to MITM
1952917 - LoadBalancer Service type with invalid external loadbalancer IP breaks the datapath
1955319 - Telemetry info not completely available to identify windows nodes
1956412 - WMCO incorrectly shows node as ready after a failed configuration
1963263 - kube-proxy service terminated unexpectedly after recreated LB service
5. JIRA issues fixed (https://issues.redhat.com/):
WINC-623 - Windows Container Support for Red Hat OpenShift 2.0.1 release