CVE-2023-20532

MEDIUM

AMD EPYC 7002 Series Firmware - Denial of Service via SMU Resource Locking

Title source: llm

Insufficient input validation in the SMU may allow an attacker to improperly lock resources, potentially resulting in a denial of service.

Core 1

Core References

Vendor Advisory vendor-advisory

CVSS v3 5.3

EPSS 0.0038

EPSS Percentile 59.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

CWE

CWE-20

Status published

Products (50)

amd/epyc_7002_firmware < romepi_1.0.0.c

amd/epyc_7003_firmware < milanpi_1.0.0.5

amd/epyc_7232p_firmware < romepi_1.0.0.c

amd/epyc_7252_firmware < romepi_1.0.0.c

amd/epyc_7262_firmware < romepi_1.0.0.c

amd/epyc_7272_firmware < romepi_1.0.0.c

amd/epyc_7282_firmware < romepi_1.0.0.c

amd/epyc_72f3_firmware < milanpi_1.0.0.5

amd/epyc_7302_firmware < romepi_1.0.0.c

amd/epyc_7302p_firmware < romepi_1.0.0.c

... and 40 more

Published Jan 11, 2023

Tracked Since Feb 18, 2026