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    Sticky: [ubuntu] Re: Meltdown and Spectre Discussion Sticky

    On my PC meltdown-checker find 2 vulnerabilities on Ubuntu 19.10 with kernel 5.3.0-22-generic
    but NO vulnerabilities on Ubuntu 19.04 w kernel 5.0.0-32-generic


    corrado@corrado-p6-eoan-1017:~$...
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    Sticky: [ubuntu] Re: Meltdown and Spectre Discussion Sticky

    New Vulnerability Variants 3a and 4 also in US security site: https://www.us-cert.gov/ncas/alerts/TA18-141A
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    Sticky: [ubuntu] Re: Meltdown and Spectre Discussion Sticky

    Intel has published the new microcode revision https://newsroom.intel.com/wp-content/uploads/sites/11/2018/04/microcode-update-guidance.pdf and for for some CPUs the microcode will NEVER be updated
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    Sticky: [ubuntu] Re: Meltdown and Spectre Discussion Sticky

    On my laptop
    corrado@corrado-HP-p4-bb-0319:~$ inxi -SCx
    System: Host: corrado-HP-p4-bb-0319 Kernel: 4.15.0-13-generic x86_64
    bits: 64 gcc: 7.3.0
    Desktop: Gnome 3.28.0...
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    Sticky: [ubuntu] Re: Meltdown and Spectre Discussion Sticky

    new intel-microcode on bionic
    corrado@corrado-p8-bb-0308:~$ apt policy intel-microcode
    intel-microcode:
    Installed: 3.20180312.0~ubuntu18.04.1
    Candidate: 3.20180312.0~ubuntu18.04.1
    Version...
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    Sticky: [ubuntu] Re: Meltdown and Spectre Discussion Sticky

    New intel-microcode arrived for Ubuntu Bionic https://launchpad.net/ubuntu/+source/intel-microcode

    corrado@corrado-p8-bb-0308:~$ apt policy intel-microcode
    intel-microcode:
    Installed: (none)
    ...
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    Sticky: [ubuntu] Re: Meltdown and Spectre Discussion Sticky

    new intel microcode promoved to production: https://newsroom.intel.com/wp-content/uploads/sites/11/2018/02/microcode-update-guidance.pdf
    how long do we have to wait? some predictions?
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    Sticky: [ubuntu] Re: Meltdown and Spectre Discussion Sticky

    On my Artful with PPA from https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/spectre/?field.series_filter=artful I have now the new kernel 4.13.0-33 with retpoline mitigations...
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    Sticky: [ubuntu] Re: Meltdown and Spectre Discussion Sticky

    in https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/spectre/?field.series_filter=artful I see a kernel 4.13.0-33.36~retpoline4
    on my Artful I have the PPA and proposed enabled, but...
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    Sticky: [ubuntu] Re: Meltdown and Spectre Discussion Sticky

    I have 2 partitions with Artful, one without proposed and one on which i have enabled proposed just to install the new kernel, and then again disabled. Same for Bionic. I was just amazed for this...
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    Sticky: [ubuntu] Re: Meltdown and Spectre Discussion Sticky

    https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SpectreAndMeltdown
    2018 Jan 12: Linux kernel version 4.13.0-29.32 for Artful 17.10 with Spectre mitigations is available in artful-proposed for...
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    Sticky: [ubuntu] Re: Meltdown and Spectre Discussion Sticky

    So after last updates my Artful should be partially protected against meltdown

    corrado@corrado-p5-art:~$ inxi -SCGx
    System: Host: corrado-p5-art Kernel: 4.13.0-25-generic x86_64 bits: 64 gcc:...
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    Sticky: [ubuntu] Re: Meltdown and Spectre Discussion Sticky

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