Windows 10: Windows Client Guidance against speculative execution vulnerabilities

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  1.    30 Mar 2018 #550

    Your first screenshot (before BIOS update) is indeed weird....(Protected and Enable Spectre Protection).
    Now if you were not running InSpectre as Admin, pressing the button wouldn't have done anything.
    On the other hand, Inspectre, is just software and might have bugs!!!
      My ComputerSystem Spec

  2.    30 Mar 2018 #551

    Eagle51 said: View Post
    Sorry, when I said InSpectre told I'm good ... I actually meant that it said I was protected and that it showed System is Spectre Protected YES, yet showed the Enable Spectre Protection button, which If I clicked on it never actually did anything and made me question if I was actually protected. After the BIOS update it shows System is Spectre Protected YES and the Disable Spectre Protection Button.

    Before BIOS Update
    Attachment 182872
    After BIOS Update
    Attachment 182873

    And come to think of it...since software bugs are only fixed when users report them, may I suggest that you take the time to send your two screenshots to the good folks at Gibson Research and let them know of this?
      My ComputerSystem Spec

  3.    30 Mar 2018 #552

    Your first screenshot (before BIOS update) is indeed weird....(Protected and Enable Spectre Protection).
    Now if you were not running InSpectre as Admin, pressing the button wouldn't have done anything.
    On the other hand, Inspectre, is just software and might have bugs!!!
    Yep, I ran it as Admin .... I'm guessing it was the cpumcupdate microcode patch and they way it's applied (ie. windows loading a driver) vs the BIOS update which I consider an actual microcode update :)
      My ComputersSystem Spec

  4.    30 Mar 2018 #553

    Hi,

    axe0 said: View Post
    Do you have a source on this?
    I'll have took it up but that's just how it works and that's why a bios/efi MCU update is so much better as it is entirely OS independent and definite (unless you reflash the bios/efi of course).

    Cheers,
      My ComputersSystem Spec

  5.    30 Mar 2018 #554

    Eagle51 said: View Post
    Yep, I ran it as Admin .... I'm guessing it was the cpumcupdate microcode patch and they way it's applied (ie. windows loading a driver) vs the BIOS update which I consider an actual microcode update :)

    Ahaaa.... :) you were tricking poor old InSpectre!!!
    I guess that is why you had it enabled. It sounds sensible!
      My ComputerSystem Spec

  6.    30 Mar 2018 #555

    Remember the MCU update is for mitigation only - i.e it alters SMBIOS - software (eg. drivers) can be circumvented... just saying (anyway as interesting as it is, it's a storm in a tea-cup IMHO)
      My ComputerSystem Spec

  7.    02 Apr 2018 #556

    Intel has released microcode updates for more processors, but they've also cancelled development of microcode for some older processors.

    https://newsroom.intel.com/wp-conten...e-guidance.pdf
      My ComputerSystem Spec

  8.    03 Apr 2018 #557

    Ground Sloth said: View Post
    Intel has released microcode updates for more processors, but they've also cancelled development of microcode for some older processors.

    https://newsroom.intel.com/wp-conten...e-guidance.pdf
    I support a 3rd gen. Ivy Bridge (i5-3570k) & 4th gen. Haswell (i5 4670K) based PCs. The Intel guide above mentions only mobile processors related to Ivy Bridge & Haswell. I assume the desktop CPU fixes are being worked on but this isn't stated in the table for some reason.
      My ComputersSystem Spec

  9.    03 Apr 2018 #558

    Steve C said: View Post
    I support a 3rd gen. Ivy Bridge (i5-3570k) & 4th gen. Haswell (i5 4670K) based PCs. The Intel guide above mentions only mobile processors related to Ivy Bridge & Haswell. I assume the desktop CPU fixes are being worked on but this isn't stated in the table for some reason.

    If Intel were working on microcode updates for desktop Ivy Bridge and Haswell processors, you would think it would be stated in the guidance. What makes the omission even more strange is the fact that Intel has released microcode updates for first and second generation desktop Core processors.
      My ComputerSystem Spec

  10. johngalt's Avatar
    Posts : 1,534
    WinX Pro x64 IP current
       03 Apr 2018 #559

    Ground Sloth said: View Post
    If Intel were working on microcode updates for desktop Ivy Bridge and Haswell processors, you would think it would be stated in the guidance. What makes the omission even more strange is the fact that Intel has released microcode updates for first and second generation desktop Core processors.
    The microcode is update for Bloomfield?
      My ComputersSystem Spec


 
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