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

• VMM: fixed VERR_NOT_SUPPORTED and VERR_RAW_MODE_INVALID_SMP guru meditation due to an invalid reschedule to raw mode (bug #10370)
• VMM: fixed PDMCritSectLeave guru meditation under rare circumstances with SMP guests
• VMM: proper Math Fault handling with certain legacy guests (bug #9042)
• NAT: fixed a socket leak under certain conditions
• Storage: better sanity check against reading beyond end-of-file
• Audio: fixed a crash in the NUL audio backend (bug #10374; 4.1.10 regression)
• HGCM: fixed a crash during savestate under rare circumstances
• VBoxSVC: several locking fixes
• VBoxManage: return the correct error code if controlvm savestate failed (bug #10134)
• Guest Additions: VBoxService should not crash on exit (bug #10326; 4.1.10 regression)
• Windows Additions: set the correct time stamp when a file is closed (bug #6473)
• Windows Additions: better help if the DirectX backups are not properly installed
• Linux Additions: Linux 3.4-rc1 compile fixes