CVE-2021-26370

Published May 10, 2022

Last updated 2 years ago

Overview

Description
Improper validation of destination address in SVC_LOAD_FW_IMAGE_BY_INSTANCE and SVC_LOAD_BINARY_BY_ATTRIB in a malicious UApp or ABL may allow an attacker to overwrite arbitrary bootloader memory with SPI ROM contents resulting in a loss of integrity and availability.
Source
psirt@amd.com
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
7.1
Impact score
5.2
Exploitability score
1.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
6.6
Impact score
9.2
Exploitability score
3.9
Vector string
AV:L/AC:L/Au:N/C:N/I:C/A:C

Weaknesses

nvd@nist.gov
CWE-20
psirt@amd.com
CWE-20

Social media

Hype score
Not currently trending

Configurations