CVE-2021-26344

Published Aug 13, 2024

Last updated 3 months ago

Overview

Description
An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to modify the BIOS image, and the ability to sign the resulting image, to potentially modify the APCB block resulting in arbitrary code execution.
Source
psirt@amd.com
NVD status
Awaiting Analysis

Risk scores

CVSS 3.1

Type
Secondary
Base score
7.2
Impact score
6
Exploitability score
0.6
Vector string
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
Severity
HIGH

Social media

Hype score
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