PT-2023-1371 · Amd · Amd System Management Unit

Published 2023-01-10 · Updated 2023-01-20 · CVE-2023-20529

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 AMD System Management Unit (SMU) (affected versions not specified)

Description The issue is related to insufficient bound checks in the SMU, which may allow an attacker to update the from/to address space to an invalid value, potentially resulting in a denial of service. This can be caused by a buffer overflow in the SMU memory. An attacker, potentially acting remotely, could exploit this issue to cause a denial of service.

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

BDU:2023-00717

CVE-2023-20529

Affected Products

Amd System Management Unit

References · 5

• https://bdu.fstec.ru/vul/2023-00717 · Security Note
• https://amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20529 · Security Note
• https://osv.dev/vulnerability/CVE-2023-20529 · Vendor Advisory
• https://support.lenovo.com/us/en/productsecurity/LEN-87730 · Note