US Patent Issued to Ampere Computing on June 17 for "Mitigation of return stack buffer side channel attacks in a processor" (Oregon, California Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,001, issued on June 17, was assigned to Ampere Computing LLC (Santa Clara, Calif.).

"Mitigation of return stack buffer side channel attacks in a processor" was invented by Benjamin Crawford Chaffin (Portland, Ore.), Bret Leslie Toll (Santa Clara, Calif.) and Michael Stephen Chin (Portland, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Mitigation of return stack buffer side channel attacks in a processor. Detecting a side channel attack or a fault in a return from a function call in the processor includes receiving a return exception level indication (or e.g., a return security level indication) indicating the exception level associated with th...