PT-2021-17015 · Unknown · Amd System Management Unit

Shawn Hoffman · Published 2021-11-16 · Updated 2022-10-24 · CVE-2021-26338

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions System Management Unit (SMU) (affected versions not specified)

Description The issue is related to improper access controls in the System Management Unit (SMU), which may allow an attacker to override performance control tables located in DRAM. This could result in a potential lack of system resources.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2021-26338

Affected Products

Amd System Management Unit

References · 4

• https://osv.dev/vulnerability/CVE-2021-26338 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-26338 · Security Note
• https://amd.com/en/corporate/product-security/bulletin/amd-sb-1021 · Vendor Advisory
• https://t.me/cibsecurity/32480 · Telegram Post