Walsh: Secure Virtualization Using SELinux (sVirt)
Walsh: Secure Virtualization Using SELinux (sVirt)
Posted Aug 25, 2009 18:36 UTC (Tue) by aliguori (guest, #30636)In reply to: Walsh: Secure Virtualization Using SELinux (sVirt) by caitlinbestler
Parent article: Walsh: Secure Virtualization Using SELinux (sVirt)
The BIOS isn't secure at all. It's only accessible by ring 0 and ring 0 is completely capable of taking over portions of the BIOS.
In fact, this is exactly how option roms work (hijacking BIOS vectors to extend BIOS funtionality).