Possible Overwrite of Guest Memory or UMC Seed in SNP Firmware
CVE-2024-21980
7.9HIGH
Key Information
- Vendor
- Amd
- Status
- 3rd Gen Amd Epyc™ Processors
- 4th Gen Amd Epyc™ Processors
- Amd Epyc™ Embedded 7003
- Amd Epyc™ Embedded 9003
- Vendor
- CVE Published:
- 5 August 2024
Summary
Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity.
Affected Version(s)
3rd Gen AMD EPYC™ Processors <= various
4th Gen AMD EPYC™ Processors <= various
AMD EPYC™ Embedded 7003 <= various
CVSS V3.1
Score:
7.9
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed
Timeline
Vulnerability published.
Vulnerability Reserved.
Collectors
NVD DatabaseMitre Database