CVE-2021-26402

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.

CVSS Version 3.1

nvd
CVE ID: CVE-2021-26402
Base Score: 7.1
Base Severity: HIGH
Vector String:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Impact Score: 5.2
Exploitability Score: 1.8

Refrence: NVD

Description​

Description