New RMPocalypse Attack Let Hackers Break AMD SEV-SNP To Exfiltrate Confidential Data

A critical vulnerability in AMD’s Secure Encrypted Virtualization with Secure Nested Paging (SEV-SNP), a cornerstone of confidential computing deployed by major cloud providers like AWS, Azure, and Google Cloud. Dubbed RMPocalypse, the attack exploits a flaw in the initialization of the Reverse Map Table (RMP), which enforces memory integrity to prevent hypervisors from tampering with […]

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