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Fabricked flaw bypasses AMD EPYC security, exposing VM memory

By PulseAugur Editorial · [2 sources] ·

Researchers have discovered a software-only vulnerability named "Fabricked" that bypasses AMD's SEV-SNP confidential computing protections on EPYC processors. The exploit targets the Infinity Fabric interconnect during the boot process, allowing malicious cloud hosts to gain unauthorized read and write access to virtual machine memory. This flaw also enables the forging of attestation reports, undermining the trust tenants place in their cloud environments. AI

IMPACT Undermines trust in cloud environments that rely on hardware-level security for confidential computing.

RANK_REASON Researchers disclosed a software-only vulnerability affecting AMD's hardware security protections.

Read on Tom's Hardware →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

Fabricked flaw bypasses AMD EPYC security, exposing VM memory

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Research
Researchers disclosed a software-only vulnerability affecting AMD's hardware security protections.
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2 independent sources
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safety, other
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130 days old
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COVERAGE [2]

  1. Tom's Hardware TIER_1 English(EN) · Etiido Uko ·

    Researchers attack AMD's Infinity Fabric to bypass hardware security protections with 'Fabricked' — flaw lets malicious cloud hosts silently read confidential VM memory and forge attestation reports

    ETH Zurich researchers disclosed “Fabricked,” a software-only attack that manipulates AMD Infinity Fabric routing during boot to undermine SEV-SNP protections on EPYC systems, enabling malicious cloud hosts to read confidential VM memory and forge attestation reports

  2. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    Researchers attack AMD's Infinity Fabric to bypass hardware security protections with 'Fabricked' — flaw … ETH Zurich researchers disclosed “Fabricked,” a softw

    Researchers attack AMD's Infinity Fabric to bypass hardware security protections with 'Fabricked' — flaw … ETH Zurich researchers disclosed “Fabricked,” a software-only attack that manipulates AMD Infinity Fabric routing during boot to undermine SEV-SNP protections on EPYC system…

    LINKS tomshardware.com/…/researchers-attack-amd… tomshardware.com/pc-components

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