Execute Disable bit

GPTKB entity

Statements (21)
Predicate Object
gptkbp:instanceOf CPU security feature
gptkbp:alsoKnownAs gptkb:NX_bit
gptkb:XD_bit
gptkbp:configurableIn BIOS/UEFI settings
gptkbp:developedBy gptkb:Intel
gptkbp:hasWorkedWith hardware level
https://www.w3.org/2000/01/rdf-schema#label Execute Disable bit
gptkbp:introducedIn gptkb:Intel_Itanium_processors
gptkbp:prevention buffer overflow attacks
gptkbp:purpose Prevents execution of code in certain memory regions
gptkbp:relatedTo gptkb:Data_Execution_Prevention
hardware-enforced DEP
gptkbp:requires modern operating systems for security
gptkbp:standardizedBy NX (No-eXecute) bit in x86 architecture
gptkbp:supportedBy gptkb:Windows_XP_SP2
AMD processors
Intel processors
Linux kernel 2.6.8
macOS 10.4 Tiger
gptkbp:bfsParent gptkb:NX_bit
gptkbp:bfsLayer 6