Secure Boot certificate updates for Linux on Azure virtual machines

What and why Microsoft has published new guidance for managing Secure Boot certificate updates for Linux on Azure virtual machines, including Trusted Launch and Confidential VMs with Secure Boot enabled. These updates help maintain trusted boot integrity and help ensure continued access to platform updates and functionality. Rollout schedule This new guidance is available now.   Impact on your organization Linux-based Azure virtual machines with Secure Boot enabled might encounter startup validation issues if you don’t apply certificates on time. Organizations managing these devices should review and plan for certificate updates to avoid potential disruption and help maintain a secure boot process.   Who is affected IT admins managing Linux Azure virtual machines with Secure Boot enabled. Action required / recommendations Review Linux-based Azure virtual machines with Secure Boot enabled to help ensure continued startup reliability and avoid potential disruptions. Review the published guidance and plan for Secure Boot certificate updates where applicable. Compliance considerations Review the updated guidance and help ensure Linux-based Azure virtual machines are up to date and prepared for updated Secure Boot certificates.