Monday, April 11, 2022

General availability: Azure Sphere OS version 22.04

Azure Sphere OS version 22.04 is now available in the Retail feed. This release includes an upgrade to the Linux kernel (5.10.103) and bug fixes in the Azure Sphere OS; it does not include an updated SDK. If your devices are connected to the internet, they will receive the updated OS from the cloud.


Fixed bugs and common vulnerabilities in the 22.04 release

The 22.04 release includes updates to mitigate against the following Common Vulnerabilities and Exposures (CVEs):

  • wolfSSL CVE-2022-25638
  • wolfSSL CVE-2022-25640
  • C-Ares CVE-2021-3672
  • Linux CVE-2022-0847 “Dirty Pipe”

For more information on Azure Sphere OS feeds and setting up an evaluation device group, see Azure Sphere OS feeds and Set up devices for OS evaluation.


For self-help technical inquiries, please visit Microsoft Q&A or Stack Overflow. If you require technical support and have a support plan, please submit a support ticket in Microsoft Azure Support or work with your Microsoft Technical Account Manager. If you would like to purchase a support plan, please explore the Azure support plans.

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