AMD SEV-SNP
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AMD issues fixes for ‘RMPocalypse’ flaw that can break SEV‑SNP protections
AMD has released fixes for a vulnerability termed RMPocalypse that researchers say can let a malicious hypervisor corrupt the Reverse Map Paging table during initialization and defeat SEV‑SNP protections; AMD has assigned CVE‑2025‑0033 and lists affected EPYC processors.
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Researchers say low-cost DDR4 interposer can bypass Intel and AMD memory protections
Researchers at KU Leuven and the University of Birmingham say a low-cost DDR4 interposer called Battering RAM can redirect physical addresses to bypass Intel SGX and AMD SEV-SNP protections in cloud confidential computing, potentially allowing plaintext reads, data corruption and persistent backdoors.
