CVE-2021-46792

5.9MEDIUM

Key Information

Vendor
Amd
Status
Ryzen™ 2000 Series Desktop Processors “raven Ridge” Am4
Ryzen™ 5000 Series Desktop Processor With Radeon™ Graphics “cezanne” Am4
Athlon™ 3000 Series Mobile Processors With Radeon™ Graphics “dali”/”dali” Ulp
Ryzen™ 2000 Series Mobile Processors “raven Ridge” Fp5
Vendor
CVE Published:
9 May 2023

Summary

Time-of-check Time-of-use (TOCTOU) in the BIOS2PSP command may allow an attacker with a malicious BIOS to create a race condition causing the ASP bootloader to perform out-of-bounds SRAM reads upon an S3 resume event potentially leading to a denial of service.

Affected Version(s)

Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4 = various

Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4 = Various

Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP = various

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database
.