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    RedHat: RHSA-2020-5218:01 Moderate: Red Hat Virtualization security, bug fix,

    Date 24 Nov 2020
    1887
    Posted By LinuxSecurity Advisories
    An update for imgbased, redhat-release-virtualization-host, and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Moderate: Red Hat Virtualization security, bug fix, and enhancement update
    Advisory ID:       RHSA-2020:5218-01
    Product:           Red Hat Virtualization
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:5218
    Issue date:        2020-11-24
    CVE Names:         CVE-2020-1730 
    =====================================================================
    
    1. Summary:
    
    An update for imgbased, redhat-release-virtualization-host, and
    redhat-virtualization-host is now available for Red Hat Virtualization 4
    for Red Hat Enterprise Linux 8.
    
    Red Hat Product Security has rated this update as having a security impact
    of Moderate. 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 8-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64
    Red Hat Virtualization 4 Hypervisor for RHEL 8 - noarch
    
    3. Description:
    
    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.
    
    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. 
    
    The ovirt-node-ng 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.
    
    The following packages have been upgraded to a later upstream version:
    imgbased (1.2.13), redhat-release-virtualization-host (4.4.3),
    redhat-virtualization-host (4.4.3). (BZ#1814517, BZ#1868293, BZ#1886484)
    
    Security Fix(es):
    
    * libssh: denial of service when handling AES-CTR (or DES) ciphers
    (CVE-2020-1730)
    
    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):
    
    * [security] gnutls_set_default_priority() (and thus Cockpit logins) fails
    when selecting VPP profile during RHVH installation (BZ#1835661)
    
    * Unable to upgrade from rhvh 4.4.1 to 4.4.2 as block storage domains are
    detected as local storage domains. (BZ#1886647)
    
    * Failed to install RHVH 4.4.3 due to missing Lvm ThinPool (BZ#1886695)
    
    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/):
    
    1801998 - CVE-2020-1730 libssh: denial of service when handling AES-CTR (or DES) ciphers
    1833254 - Register RHVH 4.4 to Engine will fail when security profile is selected
    1868293 - Rebase RHV-H on RHEL 8.3
    1886484 - redhat-virtualization-host-productimg rhv anaconda installclass needs rebase on RHEL 8.3 anaconda-33.16.3.*
    1886647 - Unable to upgrade from rhvh 4.4.1 to 4.4.2 as block storage domains are detected as local storage domains.
    1886695 - Failed to install RHVH 4.4.3 due to missing Lvm ThinPool
    
    6. Package List:
    
    Red Hat Virtualization 4 Hypervisor for RHEL 8:
    
    Source:
    redhat-virtualization-host-4.4.3-20201116.0.el8_3.src.rpm
    
    noarch:
    redhat-virtualization-host-image-update-4.4.3-20201116.0.el8_3.noarch.rpm
    
    RHEL 8-based RHEV-H for RHEV 4 (build requirements):
    
    Source:
    imgbased-1.2.13-0.1.el8ev.src.rpm
    redhat-release-virtualization-host-4.4.3-1.el8ev.src.rpm
    
    noarch:
    imgbased-1.2.13-0.1.el8ev.noarch.rpm
    python3-imgbased-1.2.13-0.1.el8ev.noarch.rpm
    redhat-virtualization-host-image-update-placeholder-4.4.3-1.el8ev.noarch.rpm
    
    x86_64:
    redhat-release-virtualization-host-4.4.3-1.el8ev.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-2020-1730
    https://access.redhat.com/security/updates/classification/#moderate
    
    8. Contact:
    
    The Red Hat security contact is . More contact
    details at https://access.redhat.com/security/team/contact/
    
    Copyright 2020 Red Hat, Inc.
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