MIT's Fractal OS has found the first evidence of Apple M1 Phantom speculation and overturned prior research on the M1's conditional branch predictor, challenging the assumption that Apple Silicon is ...

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 ...

Every time a revolutionary technology emerges—whether it is the steam engine, the personal computer, or the generative AI of today—it is accompanied by a cold, existential dread. We find ourselves ...

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 ...

AMD has addressed the latest issue regarding its Zen 5 CPUs’ behavior when it comes to the utilization of the RDSEED instruction in 16-bit and 32-bit applications. Discovered by a Meta engineer last ...

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS). Attack vector: More severe the more the remote (logically and ...

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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 ...

A serious security vulnerability in AMD processors has been disclosed, allowing attackers with administrative privileges to potentially load malicious microcode patches into CPUs. Identified as ...

A security vulnerability has been disclosed in AMD's Secure Encrypted Virtualization (SEV) that could permit an attacker to load a malicious CPU microcode under specific conditions. The flaw, tracked ...