The new version of Enterprise Manager Cloud Control 12c supplies out of the box administrator roles specifically for patching. These roles are
EM_PATCH_OPERATOR. You need to grant these roles to appropriate administrators.
Move to Setup | Security | Roles. On this page, search for the roles specifically meant for patching. The three roles appear as follows:
The EM_PATCH_ADMINISTRATOR role can create, edit, deploy, or delete any patch plan and can also grant privileges to other administrators after creating them. This role has full privileges on any patch plan or patch template in the Enterprise ...