CVE-2021-26402 | Severity.io

Description

Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and availability.

Related CPE's

epyc_7h12_firmware

Vulnerable

epyc_7f72_firmware

Vulnerable

epyc_7f52_firmware

Vulnerable

epyc_7f32_firmware

Vulnerable

epyc_7742_firmware

Vulnerable

epyc_7702p_firmware

Vulnerable

epyc_7702_firmware

Vulnerable

epyc_7662_firmware

Vulnerable

epyc_7642_firmware

Vulnerable

epyc_7552_firmware

Vulnerable

epyc_7542_firmware

Vulnerable

epyc_7532_firmware

Vulnerable

epyc_7502p_firmware

Vulnerable

epyc_7502_firmware

Vulnerable

epyc_7452_firmware

Vulnerable

epyc_7402_firmware

Vulnerable

epyc_7402p_firmware

Vulnerable

epyc_7352_firmware

Vulnerable

epyc_7302p_firmware

Vulnerable

epyc_7302_firmware

Vulnerable

epyc_7282_firmware

Vulnerable

epyc_7272_firmware

Vulnerable

epyc_7262_firmware

Vulnerable

epyc_7252_firmware

Vulnerable

epyc_7232p_firmware

Vulnerable

epyc_7002_firmware

Vulnerable

epyc_7003_firmware

Vulnerable

epyc_72f3_firmware

Vulnerable

epyc_7313_firmware

Vulnerable

epyc_7313p_firmware

Vulnerable

epyc_7343_firmware

Vulnerable

epyc_7373x_firmware

Vulnerable

epyc_73f3_firmware

Vulnerable

epyc_7413_firmware

Vulnerable

epyc_7443_firmware

Vulnerable

epyc_7443p_firmware

Vulnerable

epyc_7453_firmware

Vulnerable

epyc_74f3_firmware

Vulnerable

epyc_7513_firmware

Vulnerable

epyc_7543_firmware

Vulnerable

epyc_7543p_firmware

Vulnerable

epyc_7573x_firmware

Vulnerable

epyc_75f3_firmware

Vulnerable

epyc_7643_firmware

Vulnerable

epyc_7663_firmware

Vulnerable

epyc_7713_firmware

Vulnerable

epyc_7713p_firmware

Vulnerable

epyc_7743_firmware

Vulnerable

epyc_7763_firmware

Vulnerable

epyc_7773x_firmware

Vulnerable

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

Weaknesses

[email protected]

Primary

CWE-787

134c704f-9b21-4f2e-91b3-4a467353bcc0

Secondary

CWE-787

CVSS impact metrics

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

7.1 · High

CVSS V3.1
CVSS V3.0
CVSS V2.0

Information

Source identifier

[email protected]

Vulnerability status

Modified

Published

2023-01-11T08:15:11.537

2 years ago

Last modified

2025-04-08T21:15:42.833

3 months ago