Fedora 31: microcode_ctl FEDORA-2019-68d7f68507

    Date 12 Nov 2019
    256
    Posted By LinuxSecurity Advisories
    The 5.3.11 stable kernel update contains a number of important security updates across the tree, including mitigations for the most recent hardware issues disclosed on Nov 12.
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    Fedora Update Notification
    FEDORA-2019-68d7f68507
    2019-11-13 06:35:24.660460
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    Name        : microcode_ctl
    Product     : Fedora 31
    Version     : 2.1
    Release     : 33.fc31
    URL         : https://pagure.io/microcode_ctl
    Summary     : Tool to transform and deploy CPU microcode update for x86
    Description :
    The microcode_ctl utility is a companion to the microcode driver written
    by Tigran Aivazian .
    
    The microcode update is volatile and needs to be uploaded on each system
    boot i.e. it doesn't reflash your cpu permanently, reboot and it reverts
    back to the old microcode.
    
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    Update Information:
    
    The 5.3.11 stable kernel update contains a number of important security updates
    across the tree, including mitigations for the most recent hardware issues
    disclosed on Nov 12.
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    ChangeLog:
    
    * Tue Nov 12 2019 Justin Forbes  2:2.1-33
    - Update to microcode-20191112 for CVE fixes
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    References:
    
      [ 1 ] Bug #1753062 - CVE-2019-11135 hw: TSX Transaction Asynchronous Abort (TAA)
            https://bugzilla.redhat.com/show_bug.cgi?id=1753062
      [ 2 ] Bug #1646768 - CVE-2018-12207 hw: Machine Check Error on Page Size Change (IPU)
            https://bugzilla.redhat.com/show_bug.cgi?id=1646768
      [ 3 ] Bug #1724393 - CVE-2019-0154 hw: Intel GPU Denial Of Service while accessing MMIO in lower power state
            https://bugzilla.redhat.com/show_bug.cgi?id=1724393
      [ 4 ] Bug #1724398 - CVE-2019-0155 hw: Intel GPU blitter manipulation can allow for arbitrary kernel memory write
            https://bugzilla.redhat.com/show_bug.cgi?id=1724398
      [ 5 ] Bug #1758414 - CVE-2019-0117 hw: Intel SGX information leak
            https://bugzilla.redhat.com/show_bug.cgi?id=1758414
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    This update can be installed with the "dnf" update program. Use
    su -c 'dnf upgrade --advisory FEDORA-2019-68d7f68507' at the command
    line. For more information, refer to the dnf documentation available at
    https://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
    
    All packages are signed with the Fedora Project GPG key. More details on the
    GPG keys used by the Fedora Project can be found at
    https://fedoraproject.org/keys
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