CVE-2021-26355

MEDIUM

System Management Unit - DoS

Title source: llm

Description

Insufficient fencing and checks in System Management Unit (SMU) may result in access to invalid message port registers that could result in a potential denial-of-service.

References (1)

Scores

CVSS v3 5.5
EPSS 0.0005
EPSS Percentile 16.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE
CWE-693
Status published

Affected Products (24)

amd/epyc_7003_firmware < milanpi-sp3_1.0.0.7
amd/epyc_72f3_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7313_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7313p_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7343_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7373x_firmware < milanpi-sp3_1.0.0.7
amd/epyc_73f3_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7413_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7443_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7443p_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7453_firmware < milanpi-sp3_1.0.0.7
amd/epyc_74f3_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7513_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7543_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7543p_firmware < milanpi-sp3_1.0.0.7
... and 9 more

Timeline

Published Jan 11, 2023
Tracked Since Feb 18, 2026