PT-2023-1482 · Amd · Amd System Management Unit+1

Published 2023-01-10 · Updated 2023-01-20 · CVE-2022-23813

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

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

Description The issue is related to the software interfaces of ASP and SMU, which may not properly enforce the SNP memory security policy. This could lead to a potential loss of integrity of guest memory in a confidential compute environment. The vulnerability is also described as a buffer overflow issue in the memory, which could allow a remote attacker to impact the integrity of protected information.

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

Buffer Overflow

Information Disclosure

Weakness Enumeration

CWE-119

CWE-200

Related Identifiers

BDU:2023-00892

CVE-2022-23813

Affected Products

Amd Secure Processor

Amd System Management Unit

References · 6

• https://bdu.fstec.ru/vul/2023-00892 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-23813 · Security Note
• https://amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-23813 · Vendor Advisory
• https://vuldb.com/ru/?id.217985 · Note
• https://support.lenovo.com/us/en/product_security/LEN-87730 · Note