US Patent Issued to Red Hat on March 4 for "Function pointer protection" (Massachusetts Inventor)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,242,598, issued on March 4, was assigned to Red Hat Inc. (Raleigh, N.C.).

"Function pointer protection" was invented by Michael Tsirkin (Westford, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a memory and a processor in communication with the memory. The processor is configured to supply a library with a list of safe callback values, protect the list of safe callback values, invoke a callback, and validate the callback against the list of safe callback values to determine a status of the callback. The status of the callback is one of safe and unsafe. Additionally, the processor is configured to execute the callback responsive t...