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Tag: microcode

  • The Register: The biggest microcode attack in our history is underway

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    by

    Kurt Seifried
    in

    Source URL: https://www.theregister.com/2025/02/10/microcode_attack_trump_musk/ Source: The Register Title: The biggest microcode attack in our history is underway Feedly Summary: When your state machines are vulnerable, all bets are off 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…

  • Slashdot: How To Make Any AMD Zen CPU Always Generate 4 As a Random Number

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    by

    Kurt Seifried
    in

    Source URL: https://it.slashdot.org/story/25/02/09/2021244/how-to-make-any-amd-zen-cpu-always-generate-4-as-a-random-number?utm_source=rss1.0mainlinkanon&utm_medium=feed Source: Slashdot Title: How To Make Any AMD Zen CPU Always Generate 4 As a Random Number Feedly Summary: AI Summary and Description: Yes Summary: Google security researchers have identified a vulnerability in AMD’s security architecture, allowing them to inject unofficial microcode into processors, which can compromise the integrity of virtual environments…

  • The Register: Google: How to make any AMD Zen CPU always generate 4 as a random number

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    by

    Kurt Seifried
    in

    Source URL: https://www.theregister.com/2025/02/04/google_amd_microcode/ Source: The Register Title: Google: How to make any AMD Zen CPU always generate 4 as a random number Feedly Summary: Malicious microcode vulnerability discovered, fixes rolling out for Epycs at least Googlers have not only figured out how to break AMD’s security – allowing them to load unofficial microcode into its…

  • Hacker News: AMD: Microcode Signature Verification Vulnerability

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    by

    Kurt Seifried
    in

    Source URL: https://github.com/google/security-research/security/advisories/GHSA-4xq7-4mgh-gp6w Source: Hacker News Title: AMD: Microcode Signature Verification Vulnerability Feedly Summary: Comments AI Summary and Description: Yes Summary: The text discusses a security vulnerability in AMD Zen-based CPUs identified by Google’s Security Team, which allows local administrator-level attacks on the microcode verification process. This is significant for professionals in infrastructure and hardware…

  • The Register: Asus lets processor security fix slip out early, AMD confirms patch in progress

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    by

    Kurt Seifried
    in

    Source URL: https://www.theregister.com/2025/01/23/asus_amd_processor_fix/ Source: The Register Title: Asus lets processor security fix slip out early, AMD confirms patch in progress Feedly Summary: Answers on a postcard to what ‘Microcode Signature Verification Vulnerability’ might mean AMD has confirmed at least some of its microprocessors suffer a microcode-related security vulnerability, the existence of which accidentally emerged this…