Description
When the AMD Platform Security Processor (PSP) boot rom loads, authenticates, and subsequently decrypts an encrypted FW, due to insufficient verification of the integrity of decrypted image, arbitrary code may be executed in the PSP when encrypted firmware images are used.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021
Scores
CVSS v3
7.8
EPSS
0.0006
EPSS Percentile
19.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-345
Status
published
Products (20)
amd/epyc_7003_firmware
< milanpi-sp3_1.0.0.4
amd/epyc_72f3_firmware
< milanpi-sp3_1.0.0.4
amd/epyc_7313_firmware
< milanpi-sp3_1.0.0.4
amd/epyc_7313p_firmware
< milanpi-sp3_1.0.0.4
amd/epyc_7343_firmware
< milanpi-sp3_1.0.0.4
amd/epyc_73f3_firmware
< milanpi-sp3_1.0.0.4
amd/epyc_7413_firmware
< milanpi-sp3_1.0.0.4
amd/epyc_7443_firmware
< milanpi-sp3_1.0.0.4
amd/epyc_7443p_firmware
< milanpi-sp3_1.0.0.4
amd/epyc_7453_firmware
< milanpi-sp3_1.0.0.4
... and 10 more
Published
Nov 16, 2021
Tracked Since
Feb 18, 2026