Patch Manager, a capability of AWS Systems Manager, now supports patch deployments for instances running Alma Linux versions 8.3-8.7, 9.0-9.1. Patch Manager enables you to automatically patch nodes with both security related and other types of updates across your infrastructure. Patch Manager supports a variety of common operating systems, including Windows Server, Amazon Linux, and Red Hat Enterprise Linux (RHEL). For a full list of supported operating systems, see the Patch Manager prerequisites user guide page.
Source:: Amazon AWS