VMware Workstation 12 Player Version 12.5.9 | 10 Jan 2018 | Build 7535481

Check for additions and updates to these release notes.

What's in the Release Notes

The release notes cover the following topics:

About VMware Workstation Player

VMware Workstation Player (formerly known as Player Pro) is a streamlined desktop virtualization application that runs one or more operating systems on the same computer without rebooting. VMware Workstation Player provides a simple user interface, unmatched operating system support, and portability.

For more information, go to the VMware Workstation Player Docs website.

Prior Releases

Features and Known Issues from prior releases of VMware Workstation Player are described in the release notes for each release. To view release notes for prior releases of VMware Workstation 12 Player, click the following links:

Security

This update of VMware Workstation Player exposes hardware support for branch target injection mitigation to VMware guests.   This hardware is used by some guest operating systems to mitigate CVE-2018-5715 (also called by the name "Spectre").

For a guest operating system to use hardware support for branch target injection mitigation, the following steps must be taken:

  1. Install this update of VMware Workstation Player
  2. Ensure that your VM is using Hardware Version 9 or higher.  For best performance, Hardware Version 11 or higher is recommended.
  3. Update your guest operating system with fixes for CVE-2018-5715 (consult the operating system vendor for these updates).
  4. Update the host firmware (or CPU microcode, if host firmware cannot be updated).

Please see VMware knowledge base article 52085 for more details.

 

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