Red Hat Enterprise Linux 6, including the KVM hypervisor, has been awarded a major security certification used by IT in government, financial and other mission-critical verticals. By receiving the Common Criteria Certification at Evaluation Assurance Level (EAL) 4+, which is the highest level of assurance for an unmodified commercial operating system, Red Hat can assure public sector customers looking at cloud and virtualization will meet a range of important security assurance requirements.
Notably, Red Hat Enterprise Linux 6 features Security-Enhanced Linux (SELinux), a joint project developed with the National Security Agency (NSA). The certification provides assurance that using Red Hat Enterprise Linux 6 with the KVM hypervisor allows providers to host many tenants on the same machine while keeping their virtual guests separated from each other using Mandatory Access Control technology developed by the NSA, according to Paul Smith, Red Hat