The software described in this documentation is either in Extended Support or Sustaining Support. See https://www.oracle.com/us/support/library/enterprise-linux-support-policies-069172.pdf for more information.
Oracle recommends that you upgrade the software described by this documentation as soon as possible.

4.1 Installing or Upgrading Oracle-Supported OFED Packages for UEK R4

For instructions for installing or upgrading OFED packages with UEK R4, please refer to the Release Notes for the most current version of UEK R4 at Unbreakable Enterprise Kernel Documentation.

For example, if installing for UEK R4u5, refer to Unbreakable Enterprise Kernel: Release Notes for Unbreakable Enterprise Kernel Release 4 Update 5.