CVE-2021-46756

9.1CRITICAL

Key Information

Vendor
Amd
Status
Ryzen™ 2000 Series Desktop Processors “raven Ridge” Am4
Ryzen™ 2000 Series Desktop Processors “pinnacle Ridge”
Ryzen™ 3000 Series Desktop Processors “matisse” Am4
Amd Ryzen™ 5000 Series Desktop Processors “vermeer” Am4
Vendor
CVE Published:
9 May 2023

Summary

Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious Uapp or ABL to send malformed or invalid syscall to the bootloader resulting in a potential denial of service and loss of integrity.

Affected Version(s)

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

Ryzen™ 2000 Series Desktop Processors “Pinnacle Ridge” = various

Ryzen™ 3000 Series Desktop Processors “Matisse” AM4 = various

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
None
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database
.