|
gptkbp:instanceOf
|
CPU security feature
|
|
gptkbp:alsoKnownAs
|
gptkb:NX_bit
gptkb:XD_bit
|
|
gptkbp:architecture
|
gptkb:IA-64
x86
x86-64
|
|
gptkbp:bitPosition
|
bit 63 of page table entry
|
|
gptkbp:category
|
gptkb:microprocessor
computer security
|
|
gptkbp:controlledBy
|
gptkb:operating_system
|
|
gptkbp:developedBy
|
gptkb:Intel
|
|
gptkbp:features
|
gptkb:microprocessor
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Execute Disable Bit
|
|
gptkbp:introducedIn
|
gptkb:Intel_Itanium_processors
gptkb:Intel_Pentium_4_processors
2004
|
|
gptkbp:marketedAs
|
gptkb:Microsoft
gptkb:Intel
|
|
gptkbp:prevention
|
buffer overflow attacks
malware execution in data memory
|
|
gptkbp:purpose
|
prevent execution of code in certain memory regions
|
|
gptkbp:relatedTo
|
gptkb:Data_Execution_Prevention
hardware-enforced DEP
|
|
gptkbp:requires
|
OS support
|
|
gptkbp:standardizedBy
|
NX (No-eXecute) bit
|
|
gptkbp:supportedBy
|
gptkb:macOS
gptkb:FreeBSD
gptkb:OpenBSD
gptkb:Solaris
gptkb:Linux_kernel_2.6.8_and_later
gptkb:Windows_XP_SP2_and_later
AMD processors
Intel processors
|
|
gptkbp:bfsParent
|
gptkb:Core_2_Duo
|
|
gptkbp:bfsLayer
|
5
|