You find that Symantec Endpoint Protection for Linux (SEPfL) 14.2 (MP1) does not work on systems using the Unbreakable Enterprise Kernel (UEK) Release 4 (R4) for Oracle Linux 7.
Support for the UEK R4 for Oracle Linux 7 was added in SEPfL 14.2 RU1, currently due for late March. Subscribe to Download the latest version of Endpoint Protection to be notified when 14.2 RU1 will be available for download.