Software Update: VirtualBox 5.2.8

Oracle has released the fourth update for version 5.2 of VirtualBox. VirtualBox can be used to install other operating systems in a virtual environment on a computer. In this way it is possible to use different operating systems on the same hardware side by side and at the same time. VirtualBox is available for Windows, macOS, Linux and Solaris, and is able to guest operating systems to turn. In version 5.2, among other things, the ability to export virtual machines to the Oracle Cloud. In version 5.2.8 the following adjustments have also been made:

The following items were fixed and/or added:

• VMM: added support for FSGSBASE, PCID, INVPCID CPU features for guests
• VMM: fixed EMM386 issue with detecting suitable page frame base (bug #10022)
• Front end: Linux: prevent VM window from jumping and auto-resizing to tiny size after resizing it on HiDPI screen
• Front end: Linux: fixed seamless regression caused by wm_class functionality (bugs #12534, #17304)
• Front end: switched to https downloads
• Front end: fixed crash while opening New machine wizard (sa forums topic 86592)
• Audio: added support for distinguishing recording sources in the PulseAudio mixer on the host when multiple VMs are running
• Audio: various fixes for the DirectSound backend
• Video recording: added better file seeking support and fixed playback of recorded files with certain players (eg Firefox)
• Audio: various fixes for Windows guest surround setups
• Audio: various fixes for HDA emulation
• Serial: fixed an issue where the serial port parameters in the emulation and host serial port got out of sync (bug #17116)
• Storage: fixed overwriting certain INQUIRY data for the DVD/CD drive attached to a AHCI controller
• Storage: fixed handling VMDK images created by Amazon EC2 VM export
• Network: fixed PXE boot regression in e1000
• Network: Added a workaround for older guests which do not enable bus mastering for the virtio PCI device
• 3D: add environment variable to configure presenting 3D content on main thread (see bug #13653)
• Windows hosts: fixed indiscriminate binding of NDIS5 bridged driver, that caused PPPOE malfunction (bugs #16407, #17489)
• Windows guests: fixed incorrect function error when using shared folders in certain applications (bug #14118)
• Linux guests: Linux 4.15 support (bugs #17311, #17320, #17282)
• Linux guests: fixed black screen when 3D enabled in guests (bug #174635.2.6 regression)
• Linux guests: suppress setuid and setgid in shared folders