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RMPocalypse: Single 8-Byte Write Shatters AMD’s SEV-SNP Confidential Computing

Chipmaker AMD has released fixes to address a security flaw dubbed RMPocalypse that could be exploited to undermine confidential computing guarantees provided by Secure Encrypted Virtualization with Secure Nested Paging (SEV-SNP).
The attack, per ETH Zürich researchers Benedict Schlüter and Shweta Shinde, exploits AMD’s incomplete protections that make it possible to perform a single memory

Source: https://thehackernews.com/2025/10/rmpocalypse-single-8-byte-write.html

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