[RHSA-2015:1674-01] Moderate: qemu-kvm-rhev security update

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Red Hat Security Advisory

 

Synopsis: Moderate: qemu-kvm-rhev security update

Advisory ID: RHSA-2015:1674-01

Product: Red Hat Enterprise Linux OpenStack Platform

Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-1674.html

Issue date: 2015-08-24

CVE Names: CVE-2015-5165

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1. Summary:

 

Updated qemu-kvm-rhev packages that fix two security issues are now

available for Red Hat Enterprise Linux OpenStack Platform 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 6.0 for RHEL 7 - 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.

 

Qemu emulator built with the RTL8139 emulation support is vulnerable to an

information leakage flaw, while processing network packets under RTL8139

controller's C+ mode of operation. A guest user could use this flaw to read

upto 65KB of uninitialised Qemu heap memory. (CVE-2015-5165)

 

Red Hat would like to thank the Xen project for reporting this issue.

Upstream acknowledges Donghai Zhu of Alibaba as the original reporter.

 

All qemu-kvm-rhev users are advised to upgrade to these updated packages,

which contain a backported patch to correct this issue. 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.

 

For details on how to apply this update, refer to:

 

https://access.redhat.com/articles/11258

 

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

 

1248760 - CVE-2015-5165 Qemu: rtl8139 uninitialized heap memory information leakage to guest (XSA-140)

 

6. Package List:

 

Red Hat Enterprise Linux OpenStack Platform 6.0 for RHEL 7:

 

Source:

qemu-kvm-rhev-2.1.2-23.el7_1.8.src.rpm

 

x86_64:

libcacard-devel-rhev-2.1.2-23.el7_1.8.x86_64.rpm

libcacard-rhev-2.1.2-23.el7_1.8.x86_64.rpm

libcacard-tools-rhev-2.1.2-23.el7_1.8.x86_64.rpm

qemu-img-rhev-2.1.2-23.el7_1.8.x86_64.rpm

qemu-kvm-common-rhev-2.1.2-23.el7_1.8.x86_64.rpm

qemu-kvm-rhev-2.1.2-23.el7_1.8.x86_64.rpm

qemu-kvm-rhev-debuginfo-2.1.2-23.el7_1.8.x86_64.rpm

qemu-kvm-tools-rhev-2.1.2-23.el7_1.8.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-2015-5165

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 2015 Red Hat, Inc.

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