Vulnerability Analysis and Attacks on Intel Xeon Phi Coprocessor

Seungmin Lee, Ju-Won Park
Division of Supercomputing, Korea Institute of Science and Technology Information, Daejeon 34141, Republic of Korea
International Conference on Security and Management (SAM’17), 2017


   title={Vulnerability Analysis and Attacks on Intel Xeon Phi Coprocessor},

   author={Lee, Seungmin and Park, Ju-Won},



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The Intel Xeon Phi coprocessor is a PCIe based add-in card. Though it is prone to simple attacks, many high performance computing systems are constructed by combining CPUs and coprocessors. This paper describes two attacks that exploit vulnerabilities related to the boot process of coprocessor and ownership of offload user. Proof of concept codes are developed to demonstrate the problems and we suggest solutions, which adherence to the principle of least privilege, to mitigate problems caused by the characteristics of coprocessor.
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