CVE-2021-26336

MEDIUM

AMD EPYC 7003 Firmware < milanpi-sp3_1.0.0.4 - Denial of Service via SMU Memory Bounds Check Bypass

Title source: llm
STIX 2.1

Description

Insufficient bounds checking in System Management Unit (SMU) may cause invalid memory accesses/updates that could result in SMU hang and subsequent failure to service any further requests from other components.

References (1)

Core 1
Core References

Scores

CVSS v3 5.5
EPSS 0.0013
EPSS Percentile 31.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-119
Status published
Products (50)
amd/epyc_7002_firmware < romepi-sp3_1.0.0.c
amd/epyc_7003_firmware < milanpi-sp3_1.0.0.4
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
... and 40 more
Published Nov 16, 2021
Tracked Since Feb 18, 2026