US Patent Issued to Baidu USA on March 18 for "Translation lookaside buffer (TLB) poisoning attacks on secure encrypted virtualization" (California, Ohio Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,087, issued on March 18, was assigned to Baidu USA LLC.

"Translation lookaside buffer (TLB) poisoning attacks on secure encrypted virtualization" was invented by Huibo Wang (Milpitas, Calif.), Kang Li (Santa Clara, Calif.), Mengyuan Li (Columbus, Ohio), Yinqian Zhang (Sunnyvale, Calif.) and Yueqiang Cheng (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "TLB poisoning attacks take advantage of security issues of translation lookaside buffer (TLB) management on SEV processors in Secure Encrypted Virtualization (SEV) virtual machines (VMs). In various embodiments, a hypervisor may poison TLB entries between two processes of a SEV VM to...