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Linux 4.8 Implements ASLR For Kernel Memory Sections

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  • Linux 4.8 Implements ASLR For Kernel Memory Sections

    Phoronix: Linux 4.8 Implements ASLR For Kernel Memory Sections

    In addition to hardened usercopy support being prepped for the Linux 4.8 kernel, the new CONFIG_RANDOMIZE_MEMORY option was sent in this morning via a separate pull request as another security feature for the 4.8 cycle...

    http://www.phoronix.com/scan.php?pag...rnel-Mem-Sects

  • #2
    Would be great to see how much of a performance impact this would have

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    • #3
      Originally posted by FireBurn View Post
      Would be great to see how much of a performance impact this would have
      Indeed. OpenBSD has this feature for ages, and is not known by it's speed.

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      • #4
        Originally posted by tessio View Post

        Indeed. OpenBSD has this feature for ages, and is not known by it's speed.
        My car is blue; my car is not fast, therefore blue cars are not fast.

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        • #5
          Originally posted by jaxxed View Post

          My car is blue; my car is not fast, therefore blue cars are not fast.
          Memory access is for computer speed exactly what color is for car speed.. wright.
          Pseudo logical arguments aside, no one thinks it will be a major performance hog.. but it's nice to benchmark it to see what the impact is.
          Security rarely comes free, there's almost always a trade off.

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