CVE-2021-26406
7.5HIGH
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 in parsing Owner's Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization) and SEV-ES user application can lead to a host crash potentially resulting in denial of service.
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:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
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