Saint CacheWarp

Technical record

Disclosed on

November 14 2023

CVE

CVE-2023-20592

Product

AMD · 1st Gen AMD EPYC™ Processors

Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine (VM) memory integrity.

Sources: cachewarpattack.com