Continuing his reverse-engineering of the Intel 8087, [Ken Shirriff] covers the conditional tests that are implemented in the microcode of this floating point processing unit (FPU). This microcode ...

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) ...

The problem of excessive voltages in Raptor Lake processors of the Core i-13000 and i-14000 series is once again catching up with Intel. After several months of troubleshooting and numerous microcode ...

Intel has issued new firmware to further fix stability issues on 13th and 14th Gen desktop processors. The new update is said to have almost no performance impact. Back in August 2024, Intel confirmed ...

Intel has confirmed that it's about to issue another microcode update for its 13th-gen and 14th-gen Raptor Lake CPUs, meaning you'll need to update your motherboard BIOS again. As with the raft of ...

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 ...

AMD has confirmed an unpatched “processor vulnerability” that may require CISOs to isolate their systems or even air gap them until there’s a fix. AMD has had to confirm the existence of a major ...

Asus mentioned an AMD microcode flaw in recent patch notes The flaw was not yet publicized by the processor manufacturer AMD has since confirmed the news AMD has seemingly confirmed the existence of a ...