CVE-2023-20592

MEDIUM

AMD EPYC 7001 Firmware - Loss of Guest VM Memory Integrity via INVD Instruction

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 6.5
EPSS 0.0036
EPSS Percentile 58.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (50)
amd/epyc_7001_firmware
amd/epyc_7203_firmware < milanpi_1.0.0.c
amd/epyc_7203p_firmware < milanpi_1.0.0.c
amd/epyc_7232p_firmware
amd/epyc_7251_firmware
amd/epyc_7252_firmware
amd/epyc_7261_firmware
amd/epyc_7262_firmware
amd/epyc_7272_firmware
amd/epyc_7281_firmware
... and 40 more
Published Nov 14, 2023
Tracked Since Feb 18, 2026