PT-2023-12588 · Amd · Amd Secure Processor

Published 2023-05-09 · Updated 2023-05-22 · CVE-2021-46794

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions AMD Secure Processor (affected versions not specified)

Description The issue is related to insufficient bounds checking in the AMD Secure Processor, which may allow for an out of bounds read in the System Management Interface mailbox checksum calculation. This can trigger a data abort, resulting in a potential denial of service.

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

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-46794

Affected Products

Amd Secure Processor

References · 5

• https://osv.dev/vulnerability/CVE-2021-46794 · Vendor Advisory
• https://amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46794 · Security Note
• https://t.me/cibsecurity/63701 · Telegram Post
• https://t.me/cvenotify/50072 · Telegram Post