By exploiting either of the VMware flaws described in this document, user-mode code executing in a virtual machine may gain kernel privileges within the virtual machine, dependent upon the guest operating system. The flaws have been proven exploitable on x64 versions of Windows, and they have produced potentially exploitable crashes on x64 versions of *BSD. The Linux kernel does not allow exploitation of these flaws on x64 versions of Linux.
00028132b68b6b52ccbf9adca27a78831980d6aa94845933c21f512a28b129b3By exploiting the VMware flaw described in this document, user-mode code executing in a virtual machine may gain kernel privileges within the virtual machine, dependent upon the guest operating system. The flaw has been proven exploitable on x64 versions of Windows, and it has produced potentially exploitable crashes on x64 versions of *BSD. The Linux kernel does not allow exploitation of the flaws on x64 versions of Linux.
bc46bdf127b13616ebd5b44a7bcba711654e92899537c4c70c898cd5d96217a6FreeBSD Security Advisory - If a General Protection Fault happens on a FreeBSD/amd64 system while it is returning from an interrupt, trap or system call, the swapgs CPU instruction may be called one extra time when it should not resulting in userland and kernel state being mixed. A local attacker can by causing a General Protection Fault while the kernel is returning from an interrupt, trap or system call while manipulating stack frames and, run arbitrary code with kernel privileges.
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