CVE-2021-46747

Insufficient granularity of access control in ASP (AMD Secure Processor) may allow an attacker with an untrusted user space application to map sensitive SMN (System Management Network) apertures leading to a potential escalation of privileges.

Score

CVSS 4.0 7.1 High

Status

Awaiting Analysis - psirt@amd.com

Published

2026-06-01

Last modified

2026-06-02

Weaknesses

CWE-1220

Affected products

• Amd Athlon 3000 Series Desktop Processors With Radeon Graphics (Amd)
• Amd Athlon 3000 Series Mobile Processors With Radeon Graphics (Amd)
• Amd Radeon Pro V520 (Amd)
• Amd Radeon Pro V620 (Amd)
• Amd Radeon Pro W5000 Series Graphics Products (Amd)
• Amd Radeon Pro W6000 Series Graphics Products (Amd)
• Amd Radeon Pro W7000 Series Graphics Products (Amd)
• Amd Radeon Rx 5000 Series Graphics Products (Amd)
• Amd Radeon Rx 6000 Series Graphics Products (Amd)
• Amd Radeon Rx 7000 Series Graphics Products (Amd)
• Amd Ryzen 3000 Series Desktop Processors (Amd)
• Amd Ryzen 3000 Series Mobile Processors With Radeon Graphics (Amd)
• Amd Ryzen 4000 Series Desktop Processors (Amd)
• Amd Ryzen 4000 Series Mobile Processors With Radeon Graphics (Amd)
• Amd Ryzen 5000 Series Desktop Processors (Amd)
• Amd Ryzen 5000 Series Desktop Processors With Radeon Graphics (Amd)
• Amd Ryzen 5000 Series Mobile Processors With Radeon Graphics (Amd)
• Amd Ryzen 7030 Series Mobile Processors With Radeon Graphics (Amd)
• Amd Ryzen Embedded 5000 Series Processors (Amd)
• Amd Ryzen Embedded R1000 Series Processors (Amd)
• Amd Ryzen Embedded R2000 Series Processors (Amd)
• Amd Ryzen Embedded V1000 Series Processors Formerly Codenamed Picasso (Amd)
• Amd Ryzen Embedded V1000 Series Processors Formerly Codenamed Raven Ridge (Amd)
• Amd Ryzen Embedded V2000 Series Processors (Amd)
• Amd Ryzen Embedded V3000 Series Processors (Amd)
• Amd Ryzen Threadripper Pro 3000 Wx-series Processors (Amd)
• Amd Ryzen Threadripper Pro 5000 Wx-series Processors (Amd)

References

• https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html
• https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6027.html