В новостях не показывают, репозитария нет, так что отмечу для забывчивых - VirtualBox 1.3.8 (released 2007-03-14)
# Linux installer: added RPM for rhel4 and Mandriva 2007.1
# Linux installer: remove any old vboxdrv modules in /lib/modules/*/misc
# Linux installer: many small improvements for .deb and .rpm packages
# Linux installer: improved setup of kernel module
# GUI: Host-Fn sends Ctrl-Alt-Fn to the guest (Linux guest VT switch)
# GUI: fixed setting for Internal Networking
# GUI: improved error messages if the kernel module is not accessible
# GUI: never fail to start the GUI if the kernel module is not accessible
# USB: properly wakeup suspended ports
# USB: fixed a problem with unplugged USB devices during suspend
# Linux Additions: support Xorg 7.2.x
# Linux Additions: fixed default video mode if all other modes are invalid
# Linux Additions: set default DPI to 100,100
# Linux Additions: fixed initialization of video driver on X server reset
ну и как бы кто не в теме - http://www.virtualbox.org/wiki/Downloads