Description
Insufficient Granularity of Access Control in SEV firmware could allow a privileged user with a malicious hypervisor to create a SEV-ES guest with an ASID in the range meant for SEV-SNP guests potentially resulting in a partial loss of confidentiality.
CVSS breakdown
CVSS 4.0
Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Confidentiality (Vulnerable System)
None
Integrity (Vulnerable System)
None
Availability (Vulnerable System)
None
Confidentiality (Subsequent System)
Low
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
Affected products
- AMD / AMD EPYC™ 9005 Series ProcessorsTurinPI 1.0.0.6 – TurinPI 1.0.0.6
- AMD / AMD EPYC™ Embedded 9005 Series ProcessorsEmbTurinPI-SP5_1.0.0.1 – EmbTurinPI-SP5_1.0.0.1