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Thread: Meltdown and Spectre Discussion Sticky

  1. #21
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    Re: Meltdown and Spectre Discussion Sticky

    the patch can be turned on/off via a boot parameter (not sure what it is yet)
    also you can check /proc/cpuinfo for the cpu_insecure flag (i think this only appears for affected CPUs)
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  2. #22
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    Re: Meltdown and Spectre Discussion Sticky

    Being a problem of isolation between applications may wayland reduce the risk?

  3. #23
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    No patch for 16.04.3 kernel 4.10? or am I missing something?

    Ubuntu's Meltdown/Spectre info page says there will be a patch for
    • Ubuntu 16.04 LTS (Xenial) — Linux 4.4 (and 4.4 HWE)

    A few weeks ago I did a fresh install of Xubuntu 16.04.3 LTS and the kernel was automatically updated to 4.10.0-42.
    Does this mean there is no patch for the latest HWE kernel version?
    Last edited by rattskjelke; January 6th, 2018 at 05:30 PM.

  4. #24
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    Re: No patch for 16.04.3 kernel 4.10? or am I missing something?

    Quote Originally Posted by rattskjelke View Post
    Ubuntu's Meltdown/Spectre info page says there will be a patch for
    • Ubuntu 16.04 LTS (Xenial) — Linux 4.4 (and 4.4 HWE)

    A few weeks ago I did a fresh install of Xubuntu 16.04.3 LTS and the kernel was automatically updated to 4.10.0-42.
    Does this mean there is no patch for the latest HWE kernel version?
    Most likely because they'll be rolling everyone using the HWE stacks to the 4.13 kernel soon.
    (This might even cause an expedited roll out.)
    You were going to get the 4.13 eventually anyway, so...
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  5. #25
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    T5500 Intel

    MY laptop has the 2006 T5500 dual core Intel chip. Is this at risk???
    also will INtel recall all chips that are at risk that have not been sold yet..??

  6. #26
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    Re: T5500 Intel

    From everything I've read most Intel processors are at risk.

    I really doubt that Intel will recall any processors.

    Supposedly Intel is suppose to release a bug fix for some of the newer processors.

    I have more faith in the Linux devs to come up with a solution than to trust what Intel will do if anything.
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  7. #27
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    Re: T5500 Intel

    Not just Intel>>>AMD and Arm are affected.
    https://www.macrumors.com/2018/01/03...p-design-flaw/

    https://www.reuters.com/article/us-c...-idUSKBN1ES1BO
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  8. #28
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    Re: T5500 Intel

    Yes. Every CPU made in the last 20+ yrs has the issue to some extent.
    https://wiki.ubuntu.com/SecurityTeam...treAndMeltdown has more details.

    What intel does won't be known until after all the lawsuits finish in 3-8 yrs. If anything at all, I expect a $10 check after all the legal fees are paid. Any CPUs over 5 yrs old aren't supported anymore, so none of those will be specifically addressed by anything Intel does do.

  9. #29
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    Re: T5500 Intel

    I only mentioned Intel as that is what the OP ask about.

    I agree with your way of relaxation 1fallen.
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  10. #30
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    Re: Meltdown and Spectre Discussion Sticky

    A quote from the Insights Ubuntu Update Meltdown/spectre page

    Furthermore, you can expect Ubuntu security updates for a number of other related packages, including CPU microcode, GCC and QEMU in the coming days.
    To get the updated CPU microcode we will need the microcode driver activated

    System settings>Software & Updates>Additional Drivers. There should be a radio button that can be ticked to install the microcode driver.

    And just what does a microcode driver do?

    https://wiki.debian.org/Microcode

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