IBM PowerVM Hypervisor Access Control Error Vulnerability

IBM PowerVM Hypervisor is an application from Universal Business Machines (IBM), Inc. provides a secure and scalable virtualization environment for applications built on the advanced RAS capabilities and leading performance of the Power Systems platform.An access control error vulnerability exists in IBM PowerVM Hypervisor that stems from allowing service access to the FSP, which could be exploited by an attacker through a series of carefully crafted service processes to read and write arbitrary host system memory.