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Red Hat OpenStack 5.0 RHSA-2014:1941-01 Low: Qemu-KVM-RHEV Information Leak

red hat
Calendar Grey December 2, 2014
Dist Redhat Esm H88
Critical security patch released for qemu-kvm-rhev components rectifying a data exposure vulnerability in Red Hat OpenStack Platform 5.0.
Updated qemu-kvm-rhev packages that fix one security issue are now available for Red Hat Enterprise Linux OpenStack Platform 5.0 for Red Hat Enterprise Linux 7

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

Summary

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.
An information leak flaw was found in the way QEMU's VGA emulator accessed frame buffer memory for high resolution displays. A privileged guest user could use this flaw to leak memory contents of the host to the guest by setting the display to use a high resolution in the guest. (CVE-2014-3615)
This issue was discovered by Laszlo Ersek of Red Hat.
All users of qemu-kvm-rhev 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.

Topics%20covered

Topics Covered

security advisory Red Hat information leak low severity virtualization OpenStack qemu-kvm-rhev

References

https://access.redhat.com/security/cve/CVE-2014-3615 https://access.redhat.com/security/updates/classification#low

Package List

Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 7:
Source: qemu-kvm-rhev-1.5.3-60.el7_0.10.src.rpm
x86_64: libcacard-devel-rhev-1.5.3-60.el7_0.10.x86_64.rpm libcacard-rhev-1.5.3-60.el7_0.10.x86_64.rpm libcacard-tools-rhev-1.5.3-60.el7_0.10.x86_64.rpm qemu-img-rhev-1.5.3-60.el7_0.10.x86_64.rpm qemu-kvm-common-rhev-1.5.3-60.el7_0.10.x86_64.rpm qemu-kvm-rhev-1.5.3-60.el7_0.10.x86_64.rpm qemu-kvm-rhev-debuginfo-1.5.3-60.el7_0.10.x86_64.rpm qemu-kvm-tools-rhev-1.5.3-60.el7_0.10.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


Severity
low
Lowest
Low
Medium
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Critical

Advisory ID: RHSA-2014:1941-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2014:1941.html
Issue date: 2014-12-02

Topic

Updated qemu-kvm-rhev packages that fix one security issue are nowavailable for Red Hat Enterprise Linux OpenStack Platform 5.0 for Red HatEnterprise Linux 7.Red Hat Product Security has rated this update as having Low securityimpact. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available from the CVE link in theReferences section.

Topics%20covered

Topics Covered

security advisory Red Hat information leak low severity virtualization OpenStack qemu-kvm-rhev

Relevant Releases Architectures

Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 7 - x86_64

Bugs Fixed

1139115 - CVE-2014-3615 Qemu: information leakage when guest sets high resolution

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