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RHEL 6 : qemu-kvm-rhev (RHSA-2017:0351)

critical Nessus Plugin ID 97489

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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 3.X Hypervisor 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 a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.

Security Fix(es) :

* Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process. (CVE-2017-2620)

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2017:0351

https://access.redhat.com/security/cve/cve-2017-2620

Plugin Details

Severity: Critical

ID: 97489

File Name: redhat-RHSA-2017-0351.nasl

Version: 3.11

Type: local

Agent: unix

Published: 3/2/2017

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: High

Score: 7.3

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS v3

Risk Factor: Critical

Base Score: 9.9

Temporal Score: 8.6

Vector: CVSS:3.0/AV:N/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: 3/1/2017

Vulnerability Publication Date: 7/27/2018

Reference Information

CVE: CVE-2017-2620

RHSA: 2017:0351