System Management Mode (SMM)
GPTKB entity
Statements (36)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
CPU mode
|
| gptkbp:accessibleBy |
gptkb:operating_system
user applications |
| gptkbp:alsoKnownAs |
gptkb:SMM
|
| gptkbp:architecture |
x86
x86-64 |
| gptkbp:canBe |
security features
rootkits system monitoring thermal management fan control legacy USB support system event handling |
| gptkbp:codeStoredIn |
SMRAM
|
| gptkbp:features |
difficult to audit
invisible to OS potential for privilege escalation |
| gptkbp:hasPrivilegeLevel |
highest
|
| https://www.w3.org/2000/01/rdf-schema#label |
System Management Mode (SMM)
|
| gptkbp:introduced |
gptkb:Intel
|
| gptkbp:introducedIn |
gptkb:Intel_386SL
1990 |
| gptkbp:resumesTo |
previous CPU state
|
| gptkbp:runsOn |
separate address space
|
| gptkbp:standsFor |
gptkb:System_Management_Mode
|
| gptkbp:storesStateIn |
SMRAM
|
| gptkbp:triggeredBy |
System Management Interrupt (SMI)
|
| gptkbp:usedBy |
BIOS
UEFI firmware |
| gptkbp:usedFor |
power management
system firmware tasks system hardware control |
| gptkbp:bfsParent |
gptkb:386SL
gptkb:80486SL gptkb:UEFI_BIOS |
| gptkbp:bfsLayer |
6
|