RedHat: RHSA-2019-1116:01 Important: redhat-virtualization-host security

    Date08 May 2019
    CategoryRed Hat
    2509
    Posted ByLinuxSecurity Advisories
    An update for redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7. 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: redhat-virtualization-host security update
    Advisory ID:       RHSA-2019:1116-01
    Product:           Red Hat Virtualization
    Advisory URL:      https://access.redhat.com/errata/RHSA-2019:1116
    Issue date:        2019-05-08
    CVE Names:         CVE-2018-12180 
    =====================================================================
    
    1. Summary:
    
    An update for redhat-virtualization-host is now available for Red Hat
    Virtualization 4 for Red Hat Enterprise Linux 7.
    
    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:
    
    RHEL 7-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64
    Red Hat Virtualization 4 Hypervisor for RHEL 7 - noarch
    
    3. Description:
    
    OVMF (Open Virtual Machine Firmware) is an EDK II (edk2) based project to
    enable UEFI support for Virtual Machines. The ovmf package contains a
    sample 64-bit UEFI firmware for QEMU and KVM, including the edk2 package.
    
    The redhat-virtualization-host packages provide the Red Hat Virtualization
    Host. These packages include redhat-release-virtualization-host,
    ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are
    installed using a special build of Red Hat Enterprise Linux with only the
    packages required to host virtual machines. RHVH features a Cockpit user
    interface for monitoring the host's resources and performing administrative
    tasks.
    
    Security Fix(es):
    
    * edk2: Buffer Overflow in BlockIo service for RAM disk (CVE-2018-12180)
    
    For more details about the security issue(s), including the impact, a CVSS
    score, acknowledgments, and other related information, refer to the CVE
    page(s) listed in the References section.
    
    Bug Fix(es):
    
    * Previously, after upgrading Red Hat Virtualization Host from
    rhvh-4.1-0.20180425.0 to rhvh-4.2.4.3-0.20180627, the owner and group of
    sshd.conf were incorrectly changed from root:root to sssd:sssd. As a
    result, RHEL IdM accounts using sssd could not ssh into the host. The
    current release fixes this issue. (BZ#1608513)
    
    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, refer to:
    
    https://access.redhat.com/articles/2974891
    
    5. Bugs fixed (https://bugzilla.redhat.com/):
    
    1608513 - sssd.conf was incorrectly marked for file ownership as sssd:sssd
    1683372 - CVE-2018-12180 edk2: Buffer Overflow in BlockIo service for RAM disk
    1696303 - Rebase RHV-H on RHEL-7.6 batch #4
    1700782 - RHVH does not include the latest openvswitch package
    1700868 - [Tracker] RHV-H for 4.3.3-1
    
    6. Package List:
    
    Red Hat Virtualization 4 Hypervisor for RHEL 7:
    
    Source:
    redhat-virtualization-host-4.3-20190418.0.el7_6.src.rpm
    
    noarch:
    redhat-virtualization-host-image-update-4.3-20190418.0.el7_6.noarch.rpm
    
    RHEL 7-based RHEV-H for RHEV 4 (build requirements):
    
    Source:
    redhat-release-virtualization-host-4.3-0.6.el7.src.rpm
    
    noarch:
    redhat-virtualization-host-image-update-placeholder-4.3-0.6.el7.noarch.rpm
    
    x86_64:
    redhat-release-virtualization-host-4.3-0.6.el7.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-2018-12180
    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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