Oracle announced the 4.3.24 release of VirtualBox this Monday which improves stability and fixes regressions.
For Linux users, VirtualBox 4.3.24 fixes the Kernel 4.0 building issue for guest additions and virtual screens deactivation problem. Below is the full change log:
- VMM: emulation fix for the ENTER instruction under certain conditions; fixes Solaris 10 guests (VT-x without unrestricted guest execution)
- VMM: fix for handling NMIs on Linux hosts with X2APIC enabled
- NAT/NAT Network: fix connection drops when the host’s DHCP lease was renewed (4.3.22 regression; Windows hosts only)
- NAT: don’t crash on an empty domain list when switching the DNS host configuration (4.3.22 regression; Mac OS X hosts only)
- PXE: re-enable it on Windows hosts (4.3.22 regression; Windows hosts only)
- Shared Folders: fixed a problem with Windows guests (4.3.22 regression)
- Audio: improved record quality when using the DirectSound audio backend
- VBoxManage: when executing the controlvm command take care that the corresponding VM runtime changes are saved permanently
- Windows Installer: properly install the 32-bit version of VBoxRes.dll on 32-bit hosts
- Linux hosts / guests: Linux 4.0 fixes
- OS/2 Additions: fixed mouse integration (4.3.22 regression)
- X11 Additions: fixed a sporadic failure to deactivate virtual screens
Install / Upgrade VirtualBox in Ubuntu:
Either install the VirtualBox package available at:
Or add VBox repository via below command and then upgrade it through Software Updater:
sudo sh -c 'echo "deb http://download.virtualbox.org/virtualbox/debian $(lsb_release -cs) contrib" >> /etc/apt/sources.list.d/virtualbox.list'