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RHEL 6 : qemu-kvm-rhev (RHSA-2016:1224)

high Nessus Plugin ID 91632

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Synopsis

The remote Red Hat host is missing one or more security updates.

Description

An update for qemu-kvm-rhev is now available for RHEV-H and Agents 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.

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 using 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

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2016:1224

https://access.redhat.com/security/cve/cve-2016-3710

Plugin Details

Severity: High

ID: 91632

File Name: redhat-RHSA-2016-1224.nasl

Version: 2.9

Type: local

Agent: unix

Published: 6/16/2016

Updated: 10/24/2019

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:qemu-kvm-rhev-tools, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-rhev, p-cpe:/a:redhat:enterprise_linux:qemu-img-rhev, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-rhev-debuginfo

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 6/13/2016

Vulnerability Publication Date: 5/11/2016

Reference Information

CVE: CVE-2016-3710

RHSA: 2016:1224