Package Check Failed: Oracle DB 11g on RHEL 7
From My Oracle support, Doc ID 1304727.1


  Red Hat Enterprise Linux 7 - 11.2.0.4 only
  
  
  Oracle Unbreakable Enterprise Kernel:3.8.13-35.3.1.el7uek.x86_64 or higher
  Red Hat compatible kernel: 3.10.0-123.el7.x86_64 or higher
  


So, unless you are installing 11.2.0.4, you will have compatibility issues on RHEL7. Either install 11.2.0.4 and up on RHEL7, or use a lower compatible version.

More information:


  Red Hat Enterprise Linux 6.x  - Database 11.2.0.3 and higher
  
  
  Red Hat kernel 2.6.32-71.el6.x86_64 or later
  Oracle Unbreakable Enterprise Kernel (UEK R1) 2.6.32-100.28.5.el6.x86_64 or later