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RedHat: RHSA-2023-4835-01 Important Update for Windows Containers

red hat
Calendar Grey August 29, 2023
Dist Redhat Esm H88
Crucial enhancement rolled out for Red Hat OpenShift regarding Windows Containers tackles significant security flaws.
The components for Red Hat OpenShift support for Windows Containers 5.1.2 are now available

Solution

For Windows Machine Config Operator upgrades, see the following documentation: https://docs.redhat.com/en/documentation/openshift_container_platform/4.14/html/windows_container_support_for_openshift/windows-node-upgrades

Summary

Red Hat OpenShift support for Windows Containers allows you to deploy Windows container workloads running on Windows Server containers.
Security Fix(es):
* kubernetes: Insufficient input sanitization on Windows nodes leads to privilege escalation (CVE-2023-3676)
* kubernetes: Insufficient input sanitization on Windows nodes leads to privilege escalation (CVE-2023-3955)
For more details about the security issue(s), including the impact, CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory security issue privilege escalation bug fix important update Red Hat OpenShift Windows Containers

References

https://access.redhat.com/security/cve/CVE-2023-3676 https://access.redhat.com/security/cve/CVE-2023-3955 https://access.redhat.com/security/updates/classification/#important

Package List


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:4835-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4835
Issue date: 2023-08-29

Topic

The components for Red Hat OpenShift support for Windows Containers 5.1.2are now available. This product release includes bug fixes and securityupdates for the following packages: windows-machine-config-operator andwindows-machine-config-operator-bundle.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security issue privilege escalation bug fix important update Red Hat OpenShift Windows Containers

Relevant Releases Architectures

Bugs Fixed

2227126 - CVE-2023-3676 kubernetes: Insufficient input sanitization on Windows nodes leads to privilege escalation

2227128 - CVE-2023-3955 kubernetes: Insufficient input sanitization on Windows nodes leads to privilege escalation

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