US Patent Issued to Oracle International on Oct. 21 for "Method for control flow isolation with protection keys and indirect branch tracking" (Austrian, American Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,450,059, issued on Oct. 21, was assigned to Oracle International Corp. (Redwood Shores, Calif.).

"Method for control flow isolation with protection keys and indirect branch tracking" was invented by Matthias Neugschwandtner (Perchtoldsdorf, Austria) and William Blair (Washington).

According to the abstract* released by the U.S. Patent & Trademark Office: "Herein is innovative control flow integrity (CFI) based on code generation techniques that instrument data protection for access control of subroutines invoked across module boundaries. This approach is counterintuitive because, even though code is stored separately from data, access control to the data is used to provide access con...