Insufficient Input Validation in AMD's ASP Product
CVE-2021-46765

7.5HIGH

Key Information:

Vendor

Amd
Status
Ryzen™ 5000 Series Desktop Processor With Radeon™ Graphics “cezanne” Am4
Ryzen™ 3000 Series Mobile Processors With Radeon™ Graphics “renoir”
Ryzen™ 5000 Series Mobile Processors With Radeon™ Graphics “lucienne”
Ryzen™ 5000 Series Mobile Processors With Radeon™ Graphics “cezanne”
Vendor
CVE Published:
9 May 2023

What is CVE-2021-46765?

A vulnerability exists in AMD's ASP due to insufficient input validation that may allow an attacker with a compromised System Management Mode (SMM) to exploit the system. This can result in out-of-bounds memory reads, which could disrupt normal operations and lead to a denial of service, thereby compromising system stability and security.

Affected Version(s)

Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir” x86 various

Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4 x86 various

Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” x86 various

References

https://www.amd.com/en/corporate/product-security/bulleti...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.