CVE-2021-26396

MEDIUM

AMD EPYC 7003 Firmware < milanpi-sp3_1.0.0.9 - Memory Integrity Loss via ASP Address Mapping

Title source: llm
STIX 2.1

Description

Insufficient validation of address mapping to IO in ASP (AMD Secure Processor) may result in a loss of memory integrity in the SNP guest.

References (1)

Core 1
Core References

Scores

CVSS v3 4.4
EPSS 0.0003
EPSS Percentile 8.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-345
Status published
Products (24)
amd/epyc_7003_firmware < milanpi-sp3_1.0.0.9
amd/epyc_72f3_firmware < milanpi-sp3_1.0.0.9
amd/epyc_7313_firmware < milanpi-sp3_1.0.0.9
amd/epyc_7313p_firmware < milanpi-sp3_1.0.0.9
amd/epyc_7343_firmware < milanpi-sp3_1.0.0.9
amd/epyc_7373x_firmware < milanpi-sp3_1.0.0.9
amd/epyc_73f3_firmware < milanpi-sp3_1.0.0.9
amd/epyc_7413_firmware < milanpi-sp3_1.0.0.9
amd/epyc_7443_firmware < milanpi-sp3_1.0.0.9
amd/epyc_7443p_firmware < milanpi-sp3_1.0.0.9
... and 14 more
Published Jan 11, 2023
Tracked Since Feb 18, 2026