RedHat: RHSA-2019-3936:01 Important: kpatch-patch security update

    Date20 Nov 2019
    CategoryRed Hat
    219
    Posted ByLinuxSecurity Advisories
    An update for kpatch-patch is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: kpatch-patch security update
    Advisory ID:       RHSA-2019:3936-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2019:3936
    Issue date:        2019-11-20
    CVE Names:         CVE-2018-12207 CVE-2019-11135 
    =====================================================================
    
    1. Summary:
    
    An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.
    
    Red Hat Product Security has rated this update as having a security impact
    of Important. A Common Vulnerability Scoring System (CVSS) base score,
    which gives a detailed severity rating, is available for each vulnerability
    from the CVE link(s) in the References section.
    
    2. Relevant releases/architectures:
    
    Red Hat Enterprise Linux BaseOS (v. 8) - x86_64
    
    3. Description:
    
    This is a kernel live patch module which is automatically loaded by the RPM
    post-install script to modify the code of a running kernel.
    
    Security Fix(es):
    
    * hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207)
    
    * hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)
    
    4. Solution:
    
    Before applying this update, make sure all previously released errata
    relevant to your system have been applied.
    
    For details on how to apply this update, which includes the changes
    described in this advisory, refer to:
    
    https://access.redhat.com/articles/11258
    
    5. Bugs fixed (https://bugzilla.redhat.com/):
    
    1646768 - CVE-2018-12207 hw: Machine Check Error on Page Size Change (IFU)
    1753062 - CVE-2019-11135 hw: TSX Transaction Asynchronous Abort (TAA)
    
    6. Package List:
    
    Red Hat Enterprise Linux BaseOS (v. 8):
    
    Source:
    kpatch-patch-4_18_0-147-1-3.el8_1.src.rpm
    
    x86_64:
    kpatch-patch-4_18_0-147-1-3.el8_1.x86_64.rpm
    kpatch-patch-4_18_0-147-debuginfo-1-3.el8_1.x86_64.rpm
    kpatch-patch-4_18_0-147-debugsource-1-3.el8_1.x86_64.rpm
    
    These packages are GPG signed by Red Hat for security.  Our key and
    details on how to verify the signature are available from
    https://access.redhat.com/security/team/key/
    
    7. References:
    
    https://access.redhat.com/security/cve/CVE-2018-12207
    https://access.redhat.com/security/cve/CVE-2019-11135
    https://access.redhat.com/security/updates/classification/#important
    https://access.redhat.com/security/vulnerabilities/ifu-page-mce
    https://access.redhat.com/solutions/tsx-asynchronousabort
    
    8. Contact:
    
    The Red Hat security contact is . More contact
    details at https://access.redhat.com/security/team/contact/
    
    Copyright 2019 Red Hat, Inc.
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