VMware Workstation 9.x before 9.0.3 and VMware Player 5.x before 5.0.3 on Linux do not properly handle shared libraries, which allows host OS users to gain host OS privileges via unspecified vectors.
lgtosync.sys in VMware Workstation 9.x before 9.0.3, VMware Player 5.x before 5.0.3, VMware Fusion 5.x before 5.0.4, VMware ESXi 4.0 through 5.1, and VMware ESX 4.0 and 4.1, when a 32-bit Windows guest OS is used, allows guest OS users to gain guest OS privileges via an application that performs a crafted memory allocation.