-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.0447
                       qemu-kvm-rhev security update
                             10 February 2021

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

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

Product:           qemu-kvm-rhev
Publisher:         Red Hat
Operating System:  Red Hat
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-16092 CVE-2020-1983 

Reference:         ESB-2021.0372

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2021:0459

- --------------------------BEGIN INCLUDED TEXT--------------------

- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: qemu-kvm-rhev security update
Advisory ID:       RHSA-2021:0459-01
Product:           Red Hat Virtualization
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:0459
Issue date:        2021-02-09
Keywords:          Security
CVE Names:         CVE-2020-1983 CVE-2020-16092 
=====================================================================

1. Summary:

An update for qemu-kvm-rhev is now available for Red Hat Virtualization 4
for Red Hat Enterprise Linux 7 and Red Hat Virtualization Engine 4.3.

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:

RHV-M 4.3 - x86_64
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts - 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: use-after-free in ip_reass() function in ip_input.c
(CVE-2020-1983)

* QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in
hw/net/net_tx_pkt.c (CVE-2020-16092)

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.

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

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/):

1829825 - CVE-2020-1983 QEMU: slirp: use-after-free in ip_reass() function in ip_input.c
1860283 - CVE-2020-16092 QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in hw/net/net_tx_pkt.c

6. Package List:

Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts:

Source:
qemu-kvm-rhev-2.12.0-48.el7_9.2.src.rpm

ppc64le:
qemu-img-rhev-2.12.0-48.el7_9.2.ppc64le.rpm
qemu-kvm-common-rhev-2.12.0-48.el7_9.2.ppc64le.rpm
qemu-kvm-rhev-2.12.0-48.el7_9.2.ppc64le.rpm
qemu-kvm-rhev-debuginfo-2.12.0-48.el7_9.2.ppc64le.rpm
qemu-kvm-tools-rhev-2.12.0-48.el7_9.2.ppc64le.rpm

x86_64:
qemu-img-rhev-2.12.0-48.el7_9.2.x86_64.rpm
qemu-kvm-common-rhev-2.12.0-48.el7_9.2.x86_64.rpm
qemu-kvm-rhev-2.12.0-48.el7_9.2.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.12.0-48.el7_9.2.x86_64.rpm
qemu-kvm-tools-rhev-2.12.0-48.el7_9.2.x86_64.rpm

RHV-M 4.3:

Source:
qemu-kvm-rhev-2.12.0-48.el7_9.2.src.rpm

x86_64:
qemu-img-rhev-2.12.0-48.el7_9.2.x86_64.rpm
qemu-kvm-common-rhev-2.12.0-48.el7_9.2.x86_64.rpm
qemu-kvm-rhev-2.12.0-48.el7_9.2.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.12.0-48.el7_9.2.x86_64.rpm
qemu-kvm-tools-rhev-2.12.0-48.el7_9.2.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-2020-1983
https://access.redhat.com/security/cve/CVE-2020-16092
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2021 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=mDjR
- -----END PGP SIGNATURE-----

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=Kzft
-----END PGP SIGNATURE-----