Description
A System Management Mode (SMM) handler could perform a callout to code located in non-SMM/untrusted memory. A highly privileged attacker could, with active user interaction and under high complexity and present preconditions, trigger execution of attacker-controlled code in SMM, potentially compromising the system’s confidentiality, integrity, and availability.
CVSS breakdown
CVSS 4.0
Attack Vector
Physical
Attack Complexity
High
Attack Requirements
Present
Privileges Required
High
User Interaction
Active
Confidentiality (Vulnerable System)
High
Integrity (Vulnerable System)
High
Availability (Vulnerable System)
High
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
Affected products
- AMD / AMD EPYC™ 4004 Series ProcessorsComboAM5PI 1.0.0.d / ComboAM5PI 1.1.0.3f / ComboAM5PI_1.2.0.3i – ComboAM5PI 1.0.0.d / ComboAM5PI 1.1.0.3f / ComboAM5PI_1.2.0.3i
- AMD / AMD EPYC™ 4005 Series ProcessorsComboAM5PI_1.2.0.3i – ComboAM5PI_1.2.0.3i
- AMD / AMD Ryzen™ 7000 Series Desktop ProcessorsComboAM5PI 1.1.0.3f – ComboAM5PI 1.1.0.3f
- AMD / AMD Ryzen™ 7000 Series Desktop ProcessorsComboAM5PI 1.0.0.d – ComboAM5PI 1.0.0.d
- AMD / AMD Ryzen™ 7000 Series Desktop ProcessorsComboAM5PI_1.2.0.3i – ComboAM5PI_1.2.0.3i
- AMD / AMD Ryzen™ 7000 Series Desktop Processors (formerly codenamed "Raphael")ComboAM5PI_1.3.0.0 – ComboAM5PI_1.3.0.0
- AMD / AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ GraphicsPhoenixPI-FP8-FP7_1.2.0.0f – PhoenixPI-FP8-FP7_1.2.0.0f
- AMD / AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ GraphicsDragonRangeFL1PI 1.0.0.3k – DragonRangeFL1PI 1.0.0.3k
- AMD / AMD Ryzen™ 8000 Series Desktop ProcessorsComboAM5PI 1.1.0.3f – ComboAM5PI 1.1.0.3f
- AMD / AMD Ryzen™ 8000 Series Desktop ProcessorsComboAM5PI_1.2.0.3i – ComboAM5PI_1.2.0.3i
- AMD / AMD Ryzen™ 8000 Series Desktop Processors (formerly codenamed "Phoenix")ComboAM5PI_1.3.0.0 – ComboAM5PI_1.3.0.0
- AMD / AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ GraphicsPhoenixPI-FP8-FP7_1.2.0.0f – PhoenixPI-FP8-FP7_1.2.0.0f
- AMD / AMD Ryzen™ 9000HX Series ProcessorsFireRangeFL1PI 1.0.0.0d – FireRangeFL1PI 1.0.0.0d
- AMD / AMD Ryzen™ 9000 Series Desktop ProcessorsComboAM5PI_1.2.0.3i – ComboAM5PI_1.2.0.3i
- AMD / AMD Ryzen™ 9000 Series Desktop Processors (formerly codenamed "Granite Ridge")ComboAM5PI_1.3.0.0 – ComboAM5PI_1.3.0.0
- AMD / AMD Ryzen™ AI 300 Series ProcessorsStrixKrackanPI-FP8_1.1.0.0e – StrixKrackanPI-FP8_1.1.0.0e
- AMD / AMD Ryzen™ AI Max 300 Series ProcessorsStrixHaloPI-FP11_1.0.0.2a – StrixHaloPI-FP11_1.0.0.2a
- AMD / AMD Ryzen™ Embedded 7000 Series ProcessorsEmbeddedAM5PI 1.0.0.5 – EmbeddedAM5PI 1.0.0.5
- AMD / AMD Ryzen™ Embedded 8000 Series ProcessorsEmbeddedPhoenixPI-FP7r2_1.0.0.4 – EmbeddedPhoenixPI-FP7r2_1.0.0.4
- AMD / AMD Ryzen™ Embedded 9000 Series ProcessorsEmbeddedAM5PI 1.0.0.5 – EmbeddedAM5PI 1.0.0.5
- AMD / AMD Ryzen™ Threadripper™ 7000 ProcessorsShimadaPeakPI-SP6 1.0.0.1c – ShimadaPeakPI-SP6 1.0.0.1c
- AMD / AMD Ryzen™ Threadripper™ 9000 ProcessorsShimadaPeakPI-SP6 1.0.0.1c – ShimadaPeakPI-SP6 1.0.0.1c
- AMD / AMD Ryzen™ Threadripper™ PRO 7000 WX-Series ProcessorsStormPeakPI-SP6 1.0.0.1m – StormPeakPI-SP6 1.0.0.1m
- AMD / AMD Ryzen™ Threadripper™ PRO 7000 WX-Series ProcessorsStormPeakPI-SP6_1.1.0.0k – StormPeakPI-SP6_1.1.0.0k
- AMD / AMD Ryzen™ Threadripper™ PRO 7000 WX-Series ProcessorsShimadaPeakPI-SP6 1.0.0.1c – ShimadaPeakPI-SP6 1.0.0.1c
- AMD / AMD Ryzen™ Threadripper™ PRO 9000 WX-Series ProcessorsShimadaPeakPI-SP6 1.0.0.1c – ShimadaPeakPI-SP6 1.0.0.1c
- AMD / AMD Ryzen™ Z1 Series ProcessorsPhoenixPI-FP8-FP7_1.2.0.0f – PhoenixPI-FP8-FP7_1.2.0.0f
- AMD / AMD Ryzen™ Z2 Series ProcessorsPhoenixPI-FP8-FP7_1.2.0.0f – PhoenixPI-FP8-FP7_1.2.0.0f
- AMD / AMD Ryzen™ Z2 Series Processors ExtremeStrixKrackanPI-FP8_1.1.0.2d – StrixKrackanPI-FP8_1.1.0.2d