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Red Hat Product Errata RHSA-2016:1019 - Security Advisory
Issued:
2016-05-11
Updated:
2016-05-11

RHSA-2016:1019 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: qemu-kvm-rhev security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for qemu-kvm-rhev is now available for Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6.

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.

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 Virtualization Manager.

Security Fix(es):

  • An out-of-bounds read/write access flaw was found in the way QEMU's VGA emulation with VESA BIOS Extensions (VBE) support performed read/write operations via I/O port methods. A privileged guest user could use this flaw to execute arbitrary code on the host with the privileges of the host's QEMU process. (CVE-2016-3710)

Red Hat would like to thank Wei Xiao (360 Marvel Team) and Qinghao Tang (360 Marvel Team) for reporting this issue.

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

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.

Affected Products

  • Red Hat OpenStack 5.0 for RHEL 6 x86_64

Fixes

  • BZ - 1331401 - CVE-2016-3710 qemu: incorrect banked access bounds checking in vga module

CVEs

  • CVE-2016-3710

References

  • http://www.redhat.com/security/updates/classification/#normal
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat OpenStack 5.0 for RHEL 6

SRPM
qemu-kvm-rhev-0.12.1.2-2.491.el6_8.1.src.rpm SHA-256: ffb544c68f7bcd2be00958177022172dcd9c1a21a2a0f2857dd77586911e18a2
x86_64
qemu-img-rhev-0.12.1.2-2.491.el6_8.1.x86_64.rpm SHA-256: 0ca5faadc554437bbac7e323dd1d6d0ae4dcff074a660d171dd2de9f3e0d3f3c
qemu-kvm-rhev-0.12.1.2-2.491.el6_8.1.x86_64.rpm SHA-256: 3856e0bd04565c356896446c190b283a76148f0ce8ce03dff31d9e924f88b589
qemu-kvm-rhev-debuginfo-0.12.1.2-2.491.el6_8.1.x86_64.rpm SHA-256: 61434bcf40d1575ccca27dcbe556e4a31db79782fb03af95d09ed9c2816f036f
qemu-kvm-rhev-tools-0.12.1.2-2.491.el6_8.1.x86_64.rpm SHA-256: 83123d758823f77a3541bacac09e9b6ebe67512b8e42da28be327c33071aecf1

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

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