CoreMedia Digital Experience Platform 8 Developer Manual, Version 7.5.45-10
4.2.4. Rollback a System | 4.2.4.3. Rollback with rpm

Enable the rollback feature by setting %_repackage_all_erasures 1 in the /etc/rpm/macros.

Rollback to a specific date by executing

rpm -Uhv --rollback '<DATE>'

The date/time can be of the form 9:00 am or 4 hours ago or december 25.