CVE-2021-26338

HIGH

AMD EPYC 7002 Series Firmware < romepi-sp3_1.0.0.c - Improper Access Control in System Management Unit

Title source: llm
STIX 2.1

Description

Improper access controls in System Management Unit (SMU) may allow for an attacker to override performance control tables located in DRAM resulting in a potential lack of system resources.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0047
EPSS Percentile 64.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-284
Status published
Products (44)
amd/epyc_7232p_firmware < romepi-sp3_1.0.0.c
amd/epyc_7252_firmware < romepi-sp3_1.0.0.c
amd/epyc_7262_firmware < romepi-sp3_1.0.0.c
amd/epyc_7272_firmware < romepi-sp3_1.0.0.c
amd/epyc_7282_firmware < romepi-sp3_1.0.0.c
amd/epyc_72f3_firmware < milanpi-sp3_1.0.0.4
amd/epyc_7302_firmware < romepi-sp3_1.0.0.c
amd/epyc_7302p_firmware < romepi-sp3_1.0.0.c
amd/epyc_7313_firmware < milanpi-sp3_1.0.0.4
amd/epyc_7313p_firmware < milanpi-sp3_1.0.0.4
... and 34 more
Published Nov 16, 2021
Tracked Since Feb 18, 2026