KLA11586
Linux Kernel TCP SACK Denial of Service Vulnerability

Various vulnerabilities was found in Linux Kernel. Microsoft adresses the various effects of these vulnerabilities and provides links to more information:

1. If you are running a Linux kernel in your Azure environment, you should contact the provider of that Linux kernel to understand their recommendation for protecting your installation. See below for a list of popular providers.
2. If you are using Azure Sphere for an IoT product, please see Azure Sphere https://azure.microsoft.com/en-us/updates/update-19-06-for-azure-sphere-public-preview-now-available-for-evaluation/
3. If you are using Azure Kubernetes Service, please see https://github.com/Azure/AKS/issues/1065
4. If you are using HD Insight, please see https://azure.microsoft.com/en-us/updates/security-advisory-on-linux-kernel-tcp-vulnerabilities-for-hdinsight-clusters/

None affected

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)