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AUSCERT External Security Bulletin Redistribution
ESB-2014.1594
Moderate: qemu-kvm-rhev security update
16 September 2014
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AusCERT Security Bulletin Summary
---------------------------------
Product: qemu-kvm-rhev
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 6
KVM
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2014-0223 CVE-2014-0222
Reference: ESB-2014.1542
ESB-2014.1412
ESB-2014.1220
Original Bulletin:
https://rhn.redhat.com/errata/RHSA-2014-1187.html
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Red Hat Security Advisory
Synopsis: Moderate: qemu-kvm-rhev security update
Advisory ID: RHSA-2014:1187-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-1187.html
Issue date: 2014-09-15
CVE Names: CVE-2014-0222 CVE-2014-0223
=====================================================================
1. Summary:
Updated qemu-kvm-rhev packages that fix two security issues are now
available for Red Hat Enterprise Linux OpenStack Platform 4 and 5 for
Red Hat Enterprise Linux 6.
Red Hat Product Security has rated this update as having Moderate security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux OpenStack Platform 4.0 - x86_64
Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 6 - x86_64
3. Description:
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the
user-space component for running virtual machines using KVM in environments
managed by Red Hat Enterprise Linux OpenStack Platform.
Two integer overflow flaws were found in the QEMU block driver for QCOW
version 1 disk images. A user able to supply a malicious image file to QEMU
or to helper tools used in image conversion by services such as Glance and
Nova could potentially use these flaws to cause memory corruption,
resulting in a crash or possibly arbitrary code execution. (CVE-2014-0222,
CVE-2014-0223)
Red Hat would like to thank NSA for reporting these issues.
All users of qemu-kvm-rhev are advised to upgrade to these updated
packages, which contain backported patches to correct these issues. 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.
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1097216 - CVE-2014-0222 Qemu: qcow1: validate L2 table size to avoid integer overflows
1097222 - CVE-2014-0223 Qemu: qcow1: validate image size to avoid out-of-bounds memory access
6. Package List:
Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 6:
Source:
qemu-kvm-rhev-0.12.1.2-2.415.el6_5.14.src.rpm
x86_64:
qemu-img-rhev-0.12.1.2-2.415.el6_5.14.x86_64.rpm
qemu-kvm-rhev-0.12.1.2-2.415.el6_5.14.x86_64.rpm
qemu-kvm-rhev-debuginfo-0.12.1.2-2.415.el6_5.14.x86_64.rpm
qemu-kvm-rhev-tools-0.12.1.2-2.415.el6_5.14.x86_64.rpm
Red Hat Enterprise Linux OpenStack Platform 4.0:
Source:
qemu-kvm-rhev-0.12.1.2-2.415.el6_5.14.src.rpm
x86_64:
qemu-img-rhev-0.12.1.2-2.415.el6_5.14.x86_64.rpm
qemu-kvm-rhev-0.12.1.2-2.415.el6_5.14.x86_64.rpm
qemu-kvm-rhev-debuginfo-0.12.1.2-2.415.el6_5.14.x86_64.rpm
qemu-kvm-rhev-tools-0.12.1.2-2.415.el6_5.14.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/#package
7. References:
https://www.redhat.com/security/data/cve/CVE-2014-0222.html
https://www.redhat.com/security/data/cve/CVE-2014-0223.html
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 2014 Red Hat, Inc.
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