RedHat: RHSA-2019-1046:01 Important: rhvm-setup-plugins security and bug

    Date08 May 2019
    CategoryRed Hat
    2460
    Posted ByLinuxSecurity Advisories
    An update for rhvm-setup-plugins is now available for Red Hat Virtualization Engine 4.3. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: rhvm-setup-plugins security and bug fix update
    Advisory ID:       RHSA-2019:1046-01
    Product:           Red Hat Virtualization
    Advisory URL:      https://access.redhat.com/errata/RHSA-2019:1046
    Issue date:        2019-05-08
    CVE Names:         CVE-2018-3639 
    =====================================================================
    
    1. Summary:
    
    An update for rhvm-setup-plugins is now available for Red Hat
    Virtualization Engine 4.3.
    
    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:
    
    RHV-M 4.3 - noarch
    
    3. Description:
    
    The rhvm-setup-plugins package adds functionality exclusive only to Red Hat
    Virtualization Manager, and is not available for the upstream ovirt-engine.
    It includes the configuration of the Red Hat Support plugin, copying
    downstream-only artifacts to the ISO domain, and links to the knowledgebase
    and other support material.
    
    Security Fix(es):
    
    * An industry-wide issue was found in the way many modern microprocessor
    designs have implemented speculative execution of instructions (a commonly
    used performance optimization). There are three primary variants of the
    issue which differ in the way the speculative execution can be exploited.
    Variant CVE-2017-5754 relies on the fact that, on impacted microprocessors,
    during speculative execution of instruction permission faults, exception
    generation triggered by a faulting access is suppressed until the
    retirement of the whole instruction block. In a combination with the fact
    that memory accesses may populate the cache even when the block is being
    dropped and never committed (executed), an unprivileged local attacker
    could use this flaw to read privileged (kernel space) memory by conducting
    targeted cache side-channel attacks. Note: CVE-2017-5754 affects Intel
    x86-64 microprocessors. AMD x86-64 microprocessors are not affected by this
    issue. (CVE-2017-5754)
    
    Bug Fix(es):
    
    * [CVE-2017-5754] Variant3: POWER {qemu-kvm-rhev} Add machine type variants
    (BZ#1559948)
    
    * add POWER 9 to the 4.2 cluster level (BZ#1574494)
    
    4. Solution:
    
    For details on how to apply this update, which includes the changes
    described in this advisory, refer to:
    
    https://access.redhat.com/articles/2974891
    
    5. Bugs fixed (https://bugzilla.redhat.com/):
    
    1519781 - CVE-2017-5754 hw: cpu: speculative execution permission faults handling
    1574494 - add POWER 9 to the 4.2 cluster level
    1627712 - Build rhvm-setup-plugins for RHV 4.3 RHEL 7
    
    6. Package List:
    
    RHV-M 4.3:
    
    Source:
    rhvm-setup-plugins-4.3.0-1.el7ev.src.rpm
    
    noarch:
    rhvm-setup-plugins-4.3.0-1.el7ev.noarch.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-2018-3639
    https://access.redhat.com/security/updates/classification/#important
    
    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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