This update for virtualbox to version 5.1.32 fixes the following issues:

The following vulnerabilities were fixed (boo#1076372):

- CVE-2017-5715: Systems with microprocessors utilizing speculative execution and indirect branch
prediction may allow unauthorized disclosure of information to an attacker with local user
access via a side-channel analysis, also known as "Spectre", bsc#1068032.
- CVE-2018-2676: Local authenticated attacker may gain elevated privileges
- CVE-2018-2685: Local authenticated attacker may gain elevated privileges
- CVE-2018-2686: Local authenticated attacker may gain elevated privileges
- CVE-2018-2687: Local authenticated attacker may gain elevated privileges
- CVE-2018-2688: Local authenticated attacker may gain elevated privileges
- CVE-2018-2689: Local authenticated attacker may gain elevated privileges
- CVE-2018-2690: Local authenticated attacker may gain elevated privileges
- CVE-2018-2693: Local authenticated attacker may gain elevated privileges via guest additions
- CVE-2018-2694: Local authenticated attacker may gain elevated privileges
- CVE-2018-2698: Local authenticated attacker may gain elevated privileges

The following bug fixes are included:

- fix occasional screen corruption when host screen resolution is changed
- increase proposed disk size when creating new VMs for Windows 7 and newer
- fix broken communication with certain devices on Linux hosts
- Fix problems using 256MB VRAM in raw-mode VMs
- add HDA support for more exotic guests (e.g. Haiku)
- fix playback with ALSA backend (5.1.28 regression)
- fix a problem where OHCI emulation might sporadically drop data transfers