This recommended update provides version 5.0.16 for virtualbox:

- Version bump to 5.0.16 (released 2016-03-04 by Oracle)
This change should fix b.o.o #964765.
This is a maintenance release. The following items were fixed and/or added:
VMM: fixed a problem which could lead to a wrong guest behavior on AMD CPUs (tickets #14831 and #15186)
GUI: don't try to synchronize the HID LEDs if the VM window is not active or if it's minimized (Windows / Mac OS X hosts only; bug #14302)
GUI: prevent a crash during startup under rare conditions
GUI: sub-menu option to disable the guest-OS type overlay in the application dock icon on Mac OS X
GUI: position off-screen windows to be fully visible again on relaunch
GUI: hide the VT-x/AMD-V checkbox if raw-mode is not supported (usually Mac OS X hosts; bug #15178)
PC speaker passthrough: new experimental feature, available on Linux host only
Audio: several fixes for Mac OS X hosts + guests
Audio: properly handle default audio device changes (Windows hosts)
USB: serveral fixes for the xHCI controller (e.g. for webcam passthrough)
BIOS: fixed int15/AH=83/AL=00 function (4.2.0 regression)
iPXE: enable the HTTP download protocol on non-Linux hosts (bug #13628)
Shared folders: fixed a failure to load the saved state under certain circumstances (bug #6314)
Guest Control: added support for (cached) Active Directory authentication in case the domain controller is not reachable (anymore)
Serial ports: raised the number of serial ports per VM from 2 to 4 (bug #9109)
Serial ports: fix for the TCP/IP backend (Windows hosts only; bug #15188)
SDK: make the Python webservice API binding work again (5.0 regression)
Seamless mode: fixed a crash under certain circumstances (bug #15106)
Linux hosts: fixed the /sbin/rcvboxdrv script as well as the missing shebang in two scripts (bugs #15055 and #15057)
Linux hosts: properly uninstall Python files installed by the .run installer
Windows Additions: fixed guest property enumeration of logged-in users
Windows Additions: fixed sporadical failure of the graphics driver in Windows 10 guests (bug #14409)
Windows Additions: under rare circumstances no mouse movement events were delivered to the guest
VirtualBox 5.0.14 (released 2016-01-19)
This is a maintenance release. The following items were fixed and/or added:
GUI: properly limit the number of VCPUs to the number of physical cores on Mac OS X (bug #15018)
Audio: fixed a bug which prevented loading a saved state of a saved guests with HDA emulation (5.0.12 regression; bug #14981)
Audio: don't crash if the backend is unable to initialize (bug #14960)
Audio: fixed audio capture on Mac OS X (bug #14386)
Storage: fixed a possible crash when attaching the same ISO image multiple times to the same VM (bug #14951)
BIOS: properly report if two floppy drives are attached
USB: fixed a problem with filters which would not capture the device under certain circumstances (5.0.10 regression; bug #15042)
ExtPack: black-list Extension Packs older than 4.3.30 due to incompatible changes not being properly handled in the past
Linux hosts: properly create the /sbin/rcvboxdrv symbolic link (5.0.12 regression; bug #14989)
Linux Additions: fixes for Linux 4.5 (bug #15032)
VirtualBox 5.0.12 (released 2015-12-18)
This is a maintenance release. The following items were fixed and/or added:
GUI: fixed wrong scrolling behaviour in the VM selector window when a VM item is dragged out of the chooser-pane area
GUI: fixed the validation of IPv6 port-forwarding rules
GUI: suppress the first-run wizard if a CD/DVD medium is inserted using the selector UI
GUI: fixed the Ctrl+Break key sequence scan codes (bug #14927)
GUI: improved handling of text selection mouse pointer (bug #750)
Host services: fixed a crash during VM shutdown under rare conditions (5.0.6 regression; bug #14841)
Shared folders: fixed a sharing violation if a file is opened to check the attributes (Windows hosts only; bug #14450)
Webcam: passthrough fix for certain devices (Mac OS X hosts only)
XHCI: fixed broken emulation if software virtualization is used
XHCI: several fixes
3D: fixed state handling under certain conditions (bug #13487)
Audio: several fixes
BIOS: added LBA64 support for being able to boot from huge hard disks (bug #7415)
EFI: fix for Windows 10 guests
ExtPack: before installing an Extension Pack check if there are VMs running to prevent file system locking issues
rdesktop-vrdp: source code tarball fixes
Linux hosts: .desktop file compatibility issue (bug #14808)
Linux hosts / guests: fixes for RHEL 7.2 (bug #14866)
Linux hosts: The command for recompiling the host kernel modules was changed again, to /sbin/rcvboxdrv setup (bug #14723)
Linux hosts: some fixes for PCI passthrough (still highly experimental)
Linux/Mac OS X hosts: fixed a VM hang during startup under certain circumstances (bug #14933)
Linux Additions: prevent the compiler from doing dead-code elemination on vital code in guest / host communication (bug #14497)
Linux Additions: when mounting a shared folder, explicitly pass the share name so that /proc/mounts contains this name instead of 'none'
Linux Additions: workaround for a systemd problem in conjunction with SELinux which prevented to properly enable the 'vboxadd' service during while upgrading the Additions