This update for virtualbox fixes the following issues:

Version bump to 6.0.18 (released February 21 2020 by Oracle)

This is a maintenance release. The following items were fixed and/or added:

- GUI: Update medium location shown im VM details when the Virtual Media Manager was used to move it
- Virtualization core: Ignore writes to MSR_IA32_TSX_CTRL to avoid Windows 10 VM crashes on very new Intel CPUs (bug #19169)
- DVD: Fix possible crash when ejecting the medium
- USB: Fix isochronous transfers to the VM for xHCI
- Serial: Avoid hangs due to inconsistent handshake signals when the config keeps it is disconnected
- Serial: Improve host serial port passthrough handling on Windows host
- VBoxManage: fixed creating a new VM using the default settings parameter (bug #19310)
- Linux guest: Support Linux 5.5 (bug #19145)
- Linux guest: Shared folder fix for loopback mounting of images

Version bump to 6.0.16 (released January 14 2020 by Oracle)

This is a maintenance release. The following items were fixed and/or added:

- Virtualization core: fixed delivery of debug exceptions when the guest single-steps under certain rare conditions (6.0.0 regression)
- Virtualization core: fixed performance issue observed with Windows XP guests on AMD hosts (6.0.0 regression; bug #19152)
- Storage: Fix crash when using host DVD drive without medium
- Graphics: Improved fix for flickering on Windows host
- Audio: fixed crash in the HDA emulation when using multi-speaker configurations
- VBoxManage: fix "updateguestadditions" sub-command of "guestcontrol"
- VBoxManage: show graphics controller type in VM info
- API: support Python 3.8
- Linux host: fix systemd service dependency for web service
- Linux host: Support Linux 5.5 (guest additions not yet)
- Linux host and guest: Support Linux 5.4 (bug #18945)
- Windows guest: Many fixes for drawing problems in the driver for VBoxSVGA
- Linux guest: improve resize and multi-monitor handling for VMs using VMSVGA (known remaining issue: do not disable a monitor "in the middle", causes confusion)
- Linux guest: Fix missing symbol issue for shared folder kernel module affecting some Linux 4.x kernels (bug #18926)
- macOS Guest Additions: Fix permissions of the uninstall tool (bug #19044)

Version bump to 6.0.14 (released October 15 2019 by Oracle)

This is a maintenance release. The following items were fixed and/or added:

- Virtualization core: fixed an invalid-guest state guru meditation in some rare circumstances on Intel hosts
- Virtualization core: some fixes for systems with lots of processors
- Audio: relaxed VRM / VRA (variable rate audio) bit checks to provide more compatibility for guests running ALSA setups with the AC'97 emulation
- USB: made device capturing for passthrough more accurate and reliable on Windows host
- Network: fixed potential issue with interrupt signalling for network adapters in UEFI guests
- 3D: fixed flicker and redraw issues when using VBoxSVGA or VMSVGA graphics adapter (bugs #18562, #18956)
- 3D: fixed crash with some applications when using VBoxSVGA or VMSVGA graphics adapter (bug #18638)
- Linux host: support Linux 5.3, thank you Larry Finger (see also bug #18911)
- Linux host: improve python version detection during rpm package creation, can change package dependencies and fix some installation problems
- Linux guests: calls to aio_read(3) and aio_write(3) may fail inside shared folders (bug #18805)
- Linux guests: fix problem with shared folder unmounting in service script, thank you Denis Ryndine (bug #18853)
- Linux guests: VBox 6.0.10 GAs fail to compile on Red Hat/CentOS/Oracle Linux 7.7 and Red Hat 8.1 Beta (bug #18917)