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CVE-2023-20592

MEDIUM CVSS: 6.5 Published: 2023-11-14 Modified: 2026-06-17

Description

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.

Affected Platforms

Amd Epyc 7551PAmd Epyc 7642Amd Epyc 7401 FirmwareAmd Epyc 7502PAmd Epyc 74F3Amd Epyc 7303 FirmwareAmd Epyc 7303P FirmwareAmd Epyc 7313 FirmwareAmd Epyc 7302PAmd Epyc 7702P

Weakness Type

NVD-CWE-noinfo

References