CVE-2021-26404

MEDIUM

AMD EPYC 7003 Firmware < milanpi-sp3_1.0.0.9 - Information Disclosure via SEV Scratch Buffer

Title source: llm
STIX 2.1

Description

Improper input validation and bounds checking in SEV firmware may leak scratch buffer bytes leading to potential information disclosure.

References (1)

Core 1
Core References

Scores

CVSS v3 5.5
EPSS 0.0006
EPSS Percentile 19.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (23)
amd/epyc_7003_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
amd/epyc_7453_firmware < milanpi-sp3_1.0.0.9
... and 13 more
Published Jan 11, 2023
Tracked Since Feb 18, 2026