CVE-2021-46768

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:amd:romepi_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:amd:romepi:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:amd:milanpi_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:amd:milanpi:-:*:*:*:*:*:*:*

History

21 Nov 2024, 06:34

Type	Values Removed	Values Added
References	~~() https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 - Vendor Advisory~~	() https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 - Vendor Advisory
Summary		(es) Una validación de entrada insuficiente en el firmware SEV puede permitir que un atacante realice lecturas de memoria fuera de los límites dentro del cargador de arranque ASP, lo que podría provocar una denegación de servicio.

08 Aug 2023, 14:21

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-01-11 08:15

Updated : 2024-11-21 06:34

NVD link : CVE-2021-46768

Mitre link : CVE-2021-46768

CVE.ORG link : CVE-2021-46768

JSON object : View

Products Affected

amd

romepi
milanpi_firmware
romepi_firmware
milanpi

CWE

CWE-125

Out-of-bounds Read

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