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- Intel_MPX abstract "Intel MPX (Memory Protection Extensions) is a set of extensions to the x86 instruction set architecture. With compiler, runtime library and operating system support, Intel MPX brings increased security to software by checking pointer references whose normal compile-time intentions are maliciously exploited at runtime due to buffer overflows. Intel MPX introduces new bounds registers, and new instruction set extensions that operate on these registers. Additionally, there is a new set of \"bound tables\" that store bounds beyond what can fit in the bounds registers.MPX uses four new 128-bit bounds registers, BND0 to BND3, each storing a pair of 64-bit lower bound (LB) and upper bound (UB) values of a buffer. The upper bound is stored in ones' complement form, with the load instructions BNDMK and BNDCU performing the conversion. The architecture includes user-mode configuration register BNDCFGU, supervisor-mode configuration register IA32_BNDCFGS (a model-specific register), and status register BNDSTATUS, which provides a memory address and error code in case of an exception.The application can use the Bounds Directory (BD) of several Bounds Tables (BT), which contain the linear address pointer of a buffer, along with its bounds. Two extended load/store instructions BNDLDX and BNDSTX will sync BNDx registers with the Bounds Directory, performing translation as necessary.Intel MPX was introduced as part of the Skylake microarchitecture. Kernel-level software support for Intel MPX was merged into the Linux kernel mainline in kernel version 3.19, which was released on February 8, 2015.".
- Intel_MPX wikiPageExternalLink Intel%20MPX%20support%20in%20the%20GCC%20compiler.
- Intel_MPX wikiPageExternalLink introduction-to-intel-memory-protection-extensions.
- Intel_MPX wikiPageExternalLink intel-isa-extensions.
- Intel_MPX wikiPageExternalLink AddressSanitizerIntelMemoryProtectionExtensions.
- Intel_MPX wikiPageExternalLink 319433-023.pdf.
- Intel_MPX wikiPageID "40471839".
- Intel_MPX wikiPageLength "5382".
- Intel_MPX wikiPageOutDegree "21".
- Intel_MPX wikiPageRevisionID "703443730".
- Intel_MPX wikiPageWikiLink Buffer_overflow.
- Intel_MPX wikiPageWikiLink Category:Articles_created_via_the_Article_Wizard.
- Intel_MPX wikiPageWikiLink Category:X86_instructions.
- Intel_MPX wikiPageWikiLink Compiler.
- Intel_MPX wikiPageWikiLink Grsecurity.
- Intel_MPX wikiPageWikiLink Instruction_set.
- Intel_MPX wikiPageWikiLink Intel.
- Intel_MPX wikiPageWikiLink Kernel_(operating_system).
- Intel_MPX wikiPageWikiLink Linux_kernel.
- Intel_MPX wikiPageWikiLink Model-specific_register.
- Intel_MPX wikiPageWikiLink Ones_complement.
- Intel_MPX wikiPageWikiLink Operating_system.
- Intel_MPX wikiPageWikiLink PaX.
- Intel_MPX wikiPageWikiLink Pointer_(computer_programming).
- Intel_MPX wikiPageWikiLink Processor_register.
- Intel_MPX wikiPageWikiLink Runtime_library.
- Intel_MPX wikiPageWikiLink Skylake_(microarchitecture).
- Intel_MPX wikiPageWikiLink Software.
- Intel_MPX wikiPageWikiLink X86.
- Intel_MPX wikiPageWikiLinkText "Intel MPX".
- Intel_MPX wikiPageWikiLinkText "MPX".
- Intel_MPX wikiPageUsesTemplate Template:CPU_technologies.
- Intel_MPX wikiPageUsesTemplate Template:Cite_manual.
- Intel_MPX wikiPageUsesTemplate Template:Cite_web.
- Intel_MPX wikiPageUsesTemplate Template:Microcompu-stub.
- Intel_MPX wikiPageUsesTemplate Template:Reflist.
- Intel_MPX subject Category:Articles_created_via_the_Article_Wizard.
- Intel_MPX subject Category:X86_instructions.
- Intel_MPX hypernym Set.
- Intel_MPX comment "Intel MPX (Memory Protection Extensions) is a set of extensions to the x86 instruction set architecture. With compiler, runtime library and operating system support, Intel MPX brings increased security to software by checking pointer references whose normal compile-time intentions are maliciously exploited at runtime due to buffer overflows. Intel MPX introduces new bounds registers, and new instruction set extensions that operate on these registers.".
- Intel_MPX label "Intel MPX".
- Intel_MPX sameAs Q16997088.
- Intel_MPX sameAs m.0x1bgk_.
- Intel_MPX sameAs Q16997088.
- Intel_MPX wasDerivedFrom Intel_MPX?oldid=703443730.
- Intel_MPX isPrimaryTopicOf Intel_MPX.