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AUSCERT External Security Bulletin Redistribution
ESB-2018.2896
Important: qemu-kvm-ma security update
26 September 2018
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: qemu-kvm-ma
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2018-11806
Original Bulletin:
https://access.redhat.com/errata/RHSA-2018:2762
Comment: This advisory references vulnerabilities in products which run on
platforms other than Red Hat. It is recommended that administrators
running qemu-kvm-ma check for an updated version of the software for
their operating system.
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Red Hat Security Advisory
Synopsis: Important: qemu-kvm-ma security update
Advisory ID: RHSA-2018:2762-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:2762
Issue date: 2018-09-25
CVE Names: CVE-2018-11806
=====================================================================
1. Summary:
An update for qemu-kvm-ma is now available 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:
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - ppc64le, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64
3. Description:
Kernel-based Virtual Machine (KVM) is a full virtualization solution for
Linux on a variety of architectures. The qemu-kvm-ma packages provide the
user-space component for running virtual machines that use KVM on the IBM z
Systems, IBM Power, and 64-bit ARM architectures.
Security Fix(es):
* QEMU: slirp: heap buffer overflow while reassembling fragmented datagrams
(CVE-2018-11806)
For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.
Red Hat would like to thank Jskz - Zero Day Initiative (trendmicro.com) for
reporting this issue.
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
5. Bugs fixed (https://bugzilla.redhat.com/):
1586245 - CVE-2018-11806 QEMU: slirp: heap buffer overflow while reassembling fragmented datagrams
6. Package List:
Red Hat Enterprise Linux Server (v. 7):
Source:
qemu-kvm-ma-2.10.0-21.el7_5.4.src.rpm
ppc64:
qemu-img-ma-2.10.0-21.el7_5.4.ppc64.rpm
qemu-kvm-ma-debuginfo-2.10.0-21.el7_5.4.ppc64.rpm
ppc64le:
qemu-img-ma-2.10.0-21.el7_5.4.ppc64le.rpm
qemu-kvm-common-ma-2.10.0-21.el7_5.4.ppc64le.rpm
qemu-kvm-ma-2.10.0-21.el7_5.4.ppc64le.rpm
qemu-kvm-ma-debuginfo-2.10.0-21.el7_5.4.ppc64le.rpm
qemu-kvm-tools-ma-2.10.0-21.el7_5.4.ppc64le.rpm
s390x:
qemu-img-ma-2.10.0-21.el7_5.4.s390x.rpm
qemu-kvm-common-ma-2.10.0-21.el7_5.4.s390x.rpm
qemu-kvm-ma-2.10.0-21.el7_5.4.s390x.rpm
qemu-kvm-ma-debuginfo-2.10.0-21.el7_5.4.s390x.rpm
qemu-kvm-tools-ma-2.10.0-21.el7_5.4.s390x.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source:
qemu-kvm-ma-2.10.0-21.el7_5.4.src.rpm
ppc64le:
qemu-img-ma-2.10.0-21.el7_5.4.ppc64le.rpm
qemu-kvm-common-ma-2.10.0-21.el7_5.4.ppc64le.rpm
qemu-kvm-ma-2.10.0-21.el7_5.4.ppc64le.rpm
qemu-kvm-ma-debuginfo-2.10.0-21.el7_5.4.ppc64le.rpm
qemu-kvm-tools-ma-2.10.0-21.el7_5.4.ppc64le.rpm
s390x:
qemu-img-ma-2.10.0-21.el7_5.4.s390x.rpm
qemu-kvm-common-ma-2.10.0-21.el7_5.4.s390x.rpm
qemu-kvm-ma-2.10.0-21.el7_5.4.s390x.rpm
qemu-kvm-ma-debuginfo-2.10.0-21.el7_5.4.s390x.rpm
qemu-kvm-tools-ma-2.10.0-21.el7_5.4.s390x.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
qemu-kvm-common-ma-2.10.0-21.el7_5.4.ppc64.rpm
qemu-kvm-ma-2.10.0-21.el7_5.4.ppc64.rpm
qemu-kvm-ma-debuginfo-2.10.0-21.el7_5.4.ppc64.rpm
qemu-kvm-tools-ma-2.10.0-21.el7_5.4.ppc64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
Source:
qemu-kvm-ma-2.10.0-21.el7_5.4.src.rpm
aarch64:
qemu-img-ma-2.10.0-21.el7_5.4.aarch64.rpm
qemu-kvm-common-ma-2.10.0-21.el7_5.4.aarch64.rpm
qemu-kvm-ma-2.10.0-21.el7_5.4.aarch64.rpm
qemu-kvm-ma-debuginfo-2.10.0-21.el7_5.4.aarch64.rpm
qemu-kvm-tools-ma-2.10.0-21.el7_5.4.aarch64.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-2018-11806
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 2018 Red Hat, Inc.
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