Oracle VirtualBox 6.1.16 was released as a new maintenance release with Kernel 5.9 support for Linux host and guest.

Virtualbox 6.1.16 changelog:

• Fixed random memory corruption and XMM register state corruption inside the VM when Hyper-V is used
• Fixed VMSVGA 3D support with Linux guests when Hyper-V is used
• Fixed some Qt related crashes on macOS Big Sur
• Fixed network integration not working behind some proxies
• Mask out remote wake capability to avoid unresponsive devices
• Fixed issues with audio playback after host goes to sleep
• Keep transferring data if the status line monitoring fails
• Fixed blocking a re-connect when TCP mode is used
• Fixed inability of guests to use the last timer
• Fixed detection of system locale when running ‘VBoxManage unattended install’ without –locale
• macOS host: Installer on Big Sur is now reminding user that system has to be rebooted to load the installed KEXTs
• Support kernel version 5.9
• Linux guest: Workaround to improve resizing of 32-bit VMs with VMSVGA graphics controller, and do not try to use RandR version 1.3 due to bugs causing the X server to hang
• Linux guest: Fixed VBoxService crashing in the CPU hot-plug service under certain circumstances during a CPU hot-unplug event.
• Fixed Guest additions build for RHEL 8.3 beta

How to Install VirtualBox 6.1.16 in Ubuntu:

The official .deb packages are available for download at the link below:

Download VirtualBox

If you’ve already added the Oracle apt repository for Linux, install the updates simply via Software Updater.

Or add the apt repository by running following commands one by one:

1. Open terminal (Ctrl+Alt+T), paste below command and run to add the repository:

sudo sh -c 'echo "deb [arch=amd64] https://download.virtualbox.org/virtualbox/debian $(lsb_release -sc) contrib" >> /etc/apt/sources.list.d/virtualbox.list'

For Linux Mint, you HAVE to replace $(lsb_release -sc) in the command with bionic for Mint 19.x, or xenial for Mint 18.x, or focal for Linux Mint 20.

2. Then download and install the repository key via command:

wget -q https://www.virtualbox.org/download/oracle_vbox_2016.asc -O- | sudo apt-key add -

3. Refresh system package cache via command:

sudo apt update

4. Finally install Virtualbox 6.1:

sudo apt install virtualbox-6.1

Uninstall:

To remove it, simply run command in terminal:

sudo apt remove --autoremove virtualbox-6.1

And go to Software & Updates -> Other Software to remove apt repositories.