Description
Improper handling of overlap between the segmented reverse map table (RMP) and system management mode (SMM) memory could allow a privileged attacker corrupt or partially infer SMM memory resulting in loss of integrity or confidentiality.
CVSS breakdown
CVSS 4.0
Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Confidentiality (Vulnerable System)
Low
Integrity (Vulnerable System)
High
Availability (Vulnerable System)
None
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
Affected products
- AMD / AMD EPYC™ 9005 Series Processors0x0B002147 – 0x0B002147
- AMD / AMD EPYC™ Embedded 9005 Series ProcessorsEmbTurinPI-SP5_1.0.0.0 – EmbTurinPI-SP5_1.0.0.0