If you have a subscription to Oracle Unbreakable Linux support, you can obtain the packages for Unbreakable Enterprise Kernel Release 5 by registering your system with the Unbreakable Linux Network (ULN) and subscribing it to additional channels. See Subscribing to ULN Channels.

If your system is not registered with ULN, you can obtain most of the packages from Oracle Linux yum server. See Enabling Access to Oracle Linux Yum Server Repositories.

Having subscribed your system to the appropriate channels on ULN or Oracle Linux yum server, upgrade your system. See Upgrading Your System.