(VirtualBox v5.1.22 is released. VirtualBox is a general-purpose full virtualizer for x86/x64 hardware. Targeted at server, desktop and embedded use, it is now the only professional-quality virtualization solution that is also Open Source Software.

VirtualBox v5.1.22 Changelog:
* VMM: fixed VERR_IEM_INSTR_NOT_IMPLEMENTED Guru Meditation under certain conditions (5.1 regression; mostly Mac OS X hosts; bugs #15693, #15801, #16274, #16569, #16663)
* VMM: fixed software virtualization on Solaris hosts (5.1.20 regression)
* Storage: fixed a potential hang under rare circumstances (bug #16677)
* Storage: fixed a potential crash under rare circumstances (asynchronous I/O disabled or during maintenance file operations like merging snapshots)
* Linux hosts: make the ALSA backend work again as well as loading the GL libraries on certain hosts (5.1.20 regression; bugs #16667, #16693)
* Linux Additions: fixed mount.vboxsf symlink problem (5.1.20 regression; bug #16670)

Download: VirtualBox v5.1.22
Source: Here