CVE-2021-26350

MEDIUM

AMD EPYC 7002 Series Firmware < romepi-sp3_1.0.0.d - Denial of Service via SMU Message Port Race Condition

Title source: llm
STIX 2.1

Description

A TOCTOU race condition in SMU may allow for the caller to obtain and manipulate the address of a message port register which may result in a potential denial of service.

References (1)

Core 1
Core References

Scores

CVSS v3 4.7
EPSS 0.0004
EPSS Percentile 11.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-367
Status published
Products (44)
amd/epyc_7232p_firmware < romepi-sp3_1.0.0.d
amd/epyc_7252_firmware < romepi-sp3_1.0.0.d
amd/epyc_7262_firmware < romepi-sp3_1.0.0.d
amd/epyc_7272_firmware < romepi-sp3_1.0.0.d
amd/epyc_7282_firmware < romepi-sp3_1.0.0.d
amd/epyc_72f3_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7302_firmware < romepi-sp3_1.0.0.d
amd/epyc_7302p_firmware < romepi-sp3_1.0.0.d
amd/epyc_7313p_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7343_firmware < milanpi-sp3_1.0.0.7
... and 34 more
Published May 11, 2022
Tracked Since Feb 18, 2026