Description
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.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None
Affected products
- AMD / 3rd Gen AMD EPYC™ Processorsvarious – MilanPI 1.0.0.D
- AMD / 4th Gen AMD EPYC™ Processorsvarious – GenoaPI 1.0.0.C
- AMD / AMD EPYC™ Embedded 7003various – EmbMilanPI-SP3 1.0.0.9
- AMD / AMD EPYC™ Embedded 9003various – EmbGenoaPI-SP5 1.0.0.7