PT-2022-9734 · Unknown · Amd System Management Unit

Cfir Cohen + 2 · Published 2022-05-12 · Updated 2023-08-08 · CVE-2021-26351

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Medium

Base vector

AV:L/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 insufficient DRAM address validation, which may lead to a denial of service due to DMA read/write operations from/to invalid DRAM addresses.

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

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-26351

Affected Products

Amd System Management Unit

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2021-26351 · Security Note
• https://amd.com/en/corporate/product-security/bulletin/amd-sb-1027 · Vendor Advisory
• https://t.me/cibsecurity/42546 · Telegram Post