RHEL 6 : qemu-kvm (RHSA-2016:0997)

High Nessus Plugin ID 91038

New! Vulnerability Priority Rating (VPR)

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VPR Score: 9.2

Synopsis

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

Description

An update for qemu-kvm is now available for Red Hat Enterprise Linux 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 packages provide the user-space component for running virtual machines using KVM.

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

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2016:0997

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

Plugin Details

Severity: High

ID: 91038

File Name: redhat-RHSA-2016-0997.nasl

Version: 2.11

Type: local

Agent: unix

Published: 2016/05/11

Updated: 2019/10/24

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 9.2

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.3

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

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

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

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2016/05/10

Vulnerability Publication Date: 2016/05/11

Reference Information

CVE: CVE-2016-3710

RHSA: 2016:0997