PT-2021-17013 · Unknown · Amd System Management Unit

Shawn Hoffman · Published 2021-11-16 · Updated 2022-10-07 · CVE-2021-26336

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

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

Description The issue is related to insufficient bounds checking in the System Management Unit (SMU), which may cause invalid memory accesses or updates. This could result in the SMU hanging and failing to service further requests from other components.

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

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2021-26336

Affected Products

Amd System Management Unit

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-26336 · Security Note
• https://osv.dev/vulnerability/CVE-2021-26336 · Vendor Advisory
• https://amd.com/en/corporate/product-security/bulletin/amd-sb-1027 · Vendor Advisory
• https://t.me/cvenotify/23493 · Telegram Post