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TechRadar
TechRadar
Sead Fadilpašić

AMD CPU users beware - this security flaw could spill all your secrets

An Artistic Rendering Of An AMD Zen Microprocessor.
  • CISPA researchers uncover AMD CPU flaw “StackWarp” breaking confidential VM protections
  • Vulnerability enables RCE, privilege escalation, and theft of private keys in Zen processors
  • AMD released patch (CVE-2025-29943), rated low severity, requiring host-level access to exploit

A newly discovered vulnerability in AMD chips allows malicious actors to perform remote code execution (RCE) and privilege escalation in virtual machines.

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