Operating System:

[RedHat]

Published:

12 August 2019

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.3067
           Important: qemu-kvm-rhev security and bug fix update
                              12 August 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           qemu-kvm-rhev
Publisher:         Red Hat
Operating System:  Red Hat
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
                   Denial of Service               -- Existing Account
                   Access Confidential Data        -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-9824 CVE-2019-6778 CVE-2019-6501
                   CVE-2018-17963 CVE-2018-17958 CVE-2018-15746

Reference:         ESB-2019.3002
                   ESB-2019.2867
                   ESB-2019.2827
                   ESB-2018.3255

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2019:2425

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                   Red Hat Security Advisory

Synopsis:          Important: qemu-kvm-rhev security and bug fix update
Advisory ID:       RHSA-2019:2425-01
Product:           Red Hat Enterprise Linux OpenStack Platform
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:2425
Issue date:        2019-08-09
CVE Names:         CVE-2018-15746 CVE-2018-17958 CVE-2018-17963 
                   CVE-2019-6501 CVE-2019-6778 CVE-2019-9824 
=====================================================================

1. Summary:

An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform
10.0 (Newton), Red Hat OpenStack Platform 13.0 (Queens), and Red Hat
OpenStack Platform 14.0 (Rocky).

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 OpenStack Platform 10.0 - x86_64
Red Hat OpenStack Platform 13.0 - ppc64le, x86_64
Red Hat OpenStack Platform 14.0 - ppc64le, x86_64

3. Description:

KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on a variety of architectures. The qemu-kvm-rhev packages provide the
user-space component for running virtual machines that use KVM in
environments managed by Red Hat products.

Security Fix(es):

* QEMU: slirp: heap buffer overflow in tcp_emu() (CVE-2019-6778)

* QEMU: rtl8139: integer overflow leads to buffer overflow (CVE-2018-17958)

* QEMU: net: ignore packets with large size (CVE-2018-17963)

* QEMU: seccomp: blacklist is not applied to all threads (CVE-2018-15746)

* QEMU: scsi-generic: possible OOB access while handling inquiry request
(CVE-2019-6501)

* QEMU: slirp: information leakage in tcp_emu() due to uninitialized stack
variables (CVE-2019-9824)

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):

* Update qemu-kvm-rhev for RHEL 7.7 compatibility [OSP-14] (BZ#1728358)

* Update qemu-kvm-rhev for RHEL 7.7 compatibility [OSP-13] (BZ#1728359)

* Update qemu-kvm-rhev for RHEL 7.7 compatibility [OSP-10] (BZ#1728360)

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/11258

After installing this update, shut down all running virtual machines. Once
all virtual machines have shut down, start them again for this update to
take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1615637 - CVE-2018-15746 QEMU: seccomp: blacklist is not applied to all threads
1636712 - CVE-2018-17958 QEMU: rtl8139: integer overflow leads to buffer overflow
1636777 - CVE-2018-17963 QEMU: net: ignore packets with large size
1664205 - CVE-2019-6778 QEMU: slirp: heap buffer overflow in tcp_emu()
1668160 - CVE-2019-6501 QEMU: scsi-generic: possible OOB access while handling inquiry request
1678515 - CVE-2019-9824 QEMU: slirp: information leakage in tcp_emu() due to uninitialized stack variables
1728358 - Update qemu-kvm-rhev for RHEL 7.7 compatibility [OSP-14]
1728359 - Update qemu-kvm-rhev for RHEL 7.7 compatibility [OSP-13]
1728360 - Update qemu-kvm-rhev for RHEL 7.7 compatibility [OSP-10]

6. Package List:

Red Hat OpenStack Platform 10.0:

Source:
qemu-kvm-rhev-2.12.0-33.el7.src.rpm

x86_64:
qemu-img-rhev-2.12.0-33.el7.x86_64.rpm
qemu-kvm-common-rhev-2.12.0-33.el7.x86_64.rpm
qemu-kvm-rhev-2.12.0-33.el7.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.12.0-33.el7.x86_64.rpm
qemu-kvm-tools-rhev-2.12.0-33.el7.x86_64.rpm

Red Hat OpenStack Platform 13.0:

Source:
qemu-kvm-rhev-2.12.0-33.el7.src.rpm

ppc64le:
qemu-img-rhev-2.12.0-33.el7.ppc64le.rpm
qemu-kvm-common-rhev-2.12.0-33.el7.ppc64le.rpm
qemu-kvm-rhev-2.12.0-33.el7.ppc64le.rpm
qemu-kvm-rhev-debuginfo-2.12.0-33.el7.ppc64le.rpm
qemu-kvm-tools-rhev-2.12.0-33.el7.ppc64le.rpm

x86_64:
qemu-img-rhev-2.12.0-33.el7.x86_64.rpm
qemu-kvm-common-rhev-2.12.0-33.el7.x86_64.rpm
qemu-kvm-rhev-2.12.0-33.el7.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.12.0-33.el7.x86_64.rpm
qemu-kvm-tools-rhev-2.12.0-33.el7.x86_64.rpm

Red Hat OpenStack Platform 14.0:

Source:
qemu-kvm-rhev-2.12.0-33.el7.src.rpm

ppc64le:
qemu-img-rhev-2.12.0-33.el7.ppc64le.rpm
qemu-kvm-common-rhev-2.12.0-33.el7.ppc64le.rpm
qemu-kvm-rhev-2.12.0-33.el7.ppc64le.rpm
qemu-kvm-rhev-debuginfo-2.12.0-33.el7.ppc64le.rpm
qemu-kvm-tools-rhev-2.12.0-33.el7.ppc64le.rpm

x86_64:
qemu-img-rhev-2.12.0-33.el7.x86_64.rpm
qemu-kvm-common-rhev-2.12.0-33.el7.x86_64.rpm
qemu-kvm-rhev-2.12.0-33.el7.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.12.0-33.el7.x86_64.rpm
qemu-kvm-tools-rhev-2.12.0-33.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-2018-15746
https://access.redhat.com/security/cve/CVE-2018-17958
https://access.redhat.com/security/cve/CVE-2018-17963
https://access.redhat.com/security/cve/CVE-2019-6501
https://access.redhat.com/security/cve/CVE-2019-6778
https://access.redhat.com/security/cve/CVE-2019-9824
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2019 Red Hat, Inc.
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