The CPU is a simple stack virtual machine with a specialized reduced instruction set. Execution algorithm: The VM fetches an opcode from system memory pointed by CS:IP. There is a table of instruction ...
Over the years there have been a few CPUs designed to directly run a high-level programming language, the most common ...
Bottom line: Chipmakers typically use microcode updates to fix bugs and improve CPU reliability. However, this low-level layer between hardware and machine code can also serve as a stealthy attack ...
A researcher from Rapid7 created a working Proof of Concept for a CPU ransomware Such a ransomware would persist on a device even after the hard drive had been replaced The PoC will (most likely) ...
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A BIOS update could be all that's stopping you or someone else from jailbreaking your old AMD CPU
Anyone owning an AMD CPU with Zen 1 - Zen 4 microarchitecture may want to double check their BIOS is up to date. According to Tom's Hardware, AMD CPUs with a BIOS patch earlier than 2014-12-17 have a ...
This is a collection of Latest Production Intel, AMD, VIA and Freescale CPU microcodes. You can use MC Extractor to check instantly whether a microcode is already at the repository. Please report any ...
The Secure Encrypted Virtualization (SEV) function of AMD server processors is less secure than the name suggests: Google researchers found that Epyc processors are sloppy when it comes to signature ...
Opinion All malicious attacks on digital systems have one common aim: taking control. Mostly, that means getting a CPU somewhere to turn traitor, running code that silently steals or scrambles your ...
Google researchers recently published proof-of-concept code demonstrating the ability to create malicious microcode patches on AMD processors from Zen 1 through Zen 4. This vulnerability would allow ...
When AMD finally issued patches for its critical microcode security hole on Monday, it said that the glitch 'could lead to the loss of Secure Encrypted Virtualization protection.' AMD on Monday issued ...
What just happened? AMD has confirmed a security vulnerability in some of its processors, which was inadvertently revealed through a beta BIOS update from Asus. The flaw, described as a "microcode ...
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