CacheWarp : A New Flaw in AMD’s SEV Let Attackers Hijack Encrypted Virtual Machines

CacheWarp is a new software-based fault attack that allows attackers to gain access to encrypted virtual machines (VMs) and escalate privileges on AMD’s Secure Encrypted Virtualization-Encrypted State (SEV-ES) and Secure Encrypted Virtualization-Secure Nested Paging (SEV-SNP) technologies. The underlying vulnerability tracked as CVE-2023-20592 with Medium severity was uncovered by researchers from the CISPA Helmholtz Center for Information Security […]

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