CVE-2021-26337
MEDIUMAMD EPYC Firmware - Insufficient DRAM Address Validation in SMU
Title source: llmDescription
Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address to SRAM resulting in SMU not servicing further requests.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027
Scores
CVSS v3
5.5
EPSS
0.0013
EPSS Percentile
31.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
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