Kernel memory leaking Intel processor design flaw

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  1. VBF
    Posts : 593
    Win 10 Pro
       #90

    OilerNut said:
    Maybe, maybe not.
    YES! you need to be following this thread as well...
    Cumulative Update KB4056892 Windows 10 v1709 Build 16299.192 - Page 9 - Windows 10 Forums

    Shows what you need to check in the Registry BEFORE KB4056892 will install IF you have 3rd party A/V

    Here is the relevant bit:

    Kernel memory leaking Intel processor design flaw-image.png
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  2. Posts : 26,355
    Win11 Pro, Win10 Pro N, Win10 Home, Windows 8.1 Pro, Ubuntu
       #91

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  3. Posts : 25,646
    Windows 11 Pro 22000.708
       #92

    Thanks for the Info @Cliff S
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  4. Posts : 1,191
    Windows 11 Pro x64
       #93

    Scottyboy99 said:
    What if a user doesnt update their BIOS. Most wouldnt Id imagine. I mean most of my family no nothing of a BIOS and trust windows update. Id wager this goes for majority of windows users

    intel and MS needs a better solution than relying on people to update a BIOS ontop of windows update

    The only thing that can be done in BIOS to circumvent these vulnerabilities is to load new microcode. That can also be done through Windows Update. Windows can load microcode into the processor early in the boot process.

    I imagine Wintel will do this for the general public - provide new critical microcode, if there is any, through Windows update.
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  5. Posts : 26,355
    Win11 Pro, Win10 Pro N, Win10 Home, Windows 8.1 Pro, Ubuntu
       #94

    Josey Wales said:
    Thanks for the Info @Cliff S
    You're welcome Josey.
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  6. Posts : 25,646
    Windows 11 Pro 22000.708
       #95

    Geneo said:
    The only thing that can be done in BIOS to circumvent these vulnerabilities is to load new microcode. That can also be done through Windows Update. Windows can load microcode into the processor early in the boot process.

    I imagine Wintel will do this for the general public - provide new critical microcode, if there is any, through Windows update.
    I hope that you are right as MSI will not update my BIOS:)
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  7. Posts : 3,446
       #96

    Geneo said:
    The only thing that can be done in BIOS to circumvent these vulnerabilities is to load new microcode. That can also be done through Windows Update. Windows can load microcode into the processor early in the boot process.

    I imagine Wintel will do this for the general public - provide new critical microcode, if there is any, through Windows update.
    Yup, they are gonna have to release a microcode update if that is all that is required (why has it then not been included in the latest fix? and why do they explicitly advise updating the firmare?).
    Older Bios' will almost certainly not get an update from their respective OEMs.

    PS: If anyone tries the VMWare microcode driver.. please post results
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  8. Posts : 17,831
    Windows 10
       #97

    Remember to add an extra layer of security to your browsers as well.

    Even a browser with JavaScript enabled can be used as an attack vector.
    Firefox, apparently, addressed the issue yesterday with the 57.0.4 patch, but,
    in Chrome, it would be prudent to enable Strict Site Isolation!


    Full Site Isolation will be enabled by default in Google Chrome 64.
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  9. Posts : 1,561
    Windows 10 Home 20H2 64-bit
       #98

    Geneo said:
    The only thing that can be done in BIOS to circumvent these vulnerabilities is to load new microcode. That can also be done through Windows Update. Windows can load microcode into the processor early in the boot process.

    I imagine Wintel will do this for the general public - provide new critical microcode, if there is any, through Windows update.
    Interesting. The contacts I did earlier today hinted at that I specifically needed a BIOS update to update the microcode, but these support lines probably doesn't have all the information available yet. If this is true then it's good news indeed.
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  10. Posts : 2,826
    Windows 10 Pro X64
       #99

    Hi,

    Faith said:
    I mean the chipset and ME driver primarily, if they are vulnerable that is. But it doesn't matter because I contacted both Intel and MSI this morning and both told me that a "microcode" update is required to be "fully" secured, so a BIOS update is indeed needed on top of the KB update from Microsoft. This creates a very concerned future because updating the BIOS aren't something normal PC users do often, or at all. I can also see that not even half of the PC's I use have gotten a BIOS update through the board manufacturer. And OEM's that's more than 5 years old probably won't even get a BIOS update.
    Drivers for chipsets and MEI are not what these security issues are about. It's the firmware that is.
    A micro code update is not a BIOS/UEFI update it's a CPU update.

    Cheers,
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