VirtualBox 4.2.8 Released For Windows, Mac And Linux Systems, Including Ubuntu

VirtualBox has just been updated to version 4.2.8 for Windows, Mac and Linux systems, including Ubuntu. This maintenance release fixes many bugs, including one that crashes a guest machine with huge amount of guest RAM on VT-x hosts and another that corrupts data after resizing a VDI image under certain circumstances. It also fixes a bug that crashes Battlefield game in 3D support mode for Windows, Mac and Linux systems.

For a complete changelog on this release, please click here.

Below are some of the items that were fixed and/or added to this release.

  • Linux hosts: work around gcc bug 55940 which might lead to wrong kernel module code if gcc 4.7 is used to compile the 32-bit Linux host kernel (bug #11035)
  • Linux hosts: fixed inconsistent lock state and deadlock warnings on module load and VM startup when CONFIG_PROVE_LOCKING is enabled (bug #11318)
  • Guest Additions: don’t block signals for processes executed via guest control
  • Guest Additions: fixed a small memory leak in VBoxService (bug #10970)
  • Windows Additions: fixed shared folder issue with large reads/writes on 64 bit Windows guests (bug #11115)
  • Linux Additions: Linux 3.8 compile fixes (bug #11036)
  • X11 Additions: fixed blocked SIGALRM in 3D desktop sessions (bug #10987)
  • X11 Additions: fixed an unresolved reference in vboxvideo_drv for 6.8 guests and before (e.g. RHEL4; 4.2.0 regression)
  • X11 Additions: fixed screen automatic resizing for guests with 1.3 or older (4.2.0 regression)

To install VirtualBox in Windows or Mac OS X systems, use this download link. Download a version for your system and install or upgrade.


To install or upgrade VirtualBox in Ubuntu 12.10, press Ctrl – Alt – T on your keyboard to open the terminal. When it opens,  copy and paste the commands below to add its repository’s key.

wget -q -O- | sudo apt-key add -



Next, copy and paste the commands below to add its repository to Ubuntu

sudo sh -c 'echo "deb $(lsb_release -sc) contrib" >> /etc/apt/sources.list'



Finally, run the commands below to update your system and install VirtualBox

sudo apt-get update && sudo apt-get install virtualbox-4.2







To uninstall VirtualBox, run the commands below:

sudo apt-get purge virtualbox-4.2 && sudo apt-get autoremove


Tore remove all VirtualBox repository and it’s key, go to System Settings –> Software Sources –> Other Software tab and remove the repository. Click on ‘Authentication’ tab to delete the repository key.



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