Changelog for kmod-megaraid_mbox-2.20.5.1-2.el9_1.elrepo.x86_64.rpm :

* Tue Nov 15 2022 Philip J Perry - 2.20.5.1-2- Rebuilt for RHEL 9.1
* Mon May 09 2022 Philip J Perry - 2.20.5.1-1- Initial build for RHEL 9- Backported from kernel-5.14.21