SELinux Sandbox doesn't use virtualization though there is svirt. The Linux equivalent would be things like linux-vserver and openvz.
Walsh: Introducing the SELinux Sandbox
Posted May 27, 2009 15:14 UTC (Wed) by davecb (subscriber, #1574)
[Link]
Zones are created using the code that was
the equivalent of SE Linux (ie, Trusted
Solaris), but the purpose is to provide
very-low-cost secure virtual machines.