CVE-2021-46768

Published: Jan 11, 2023Modified: Jun 17, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory reads within the ASP boot loader, potentially leading to a denial of service.

Affected (2)

Products: Amd: Romepi Firmware, Milanpi Firmware

Amd

2 products

Romepi Firmware

Milanpi Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Romepi Firmware	Before 1.0.0.d

Running on/with	Platform Versions
Amd Romepi	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Milanpi Firmware	Before 1.0.0.5

Running on/with	Platform Versions
Amd Milanpi	All versions

Related CWEs

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (2)

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032

Source: psirt@amd.com

Vendor Advisory

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.