CentOS 7 : qemu-kvm (CESA-2020:0366)

high Nessus Plugin ID 133507
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote CentOS host is missing one or more security updates.

Description

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7.

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.

Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.

Security Fix(es) :

* hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)

* QEMU: slirp: heap buffer overflow during packet reassembly (CVE-2019-14378)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es) :

* [Intel 7.8 Bug] [KVM][CLX] CPUID_7_0_EDX_ARCH_CAPABILITIES is not enabled in VM qemu-kvm (BZ#1730606)

Enhancement(s) :

* [Intel 7.8 FEAT] MDS_NO exposure to guest - qemu-kvm (BZ#1755333)

Solution

Update the affected qemu-kvm packages.

See Also

http://www.nessus.org/u?2ded96fb

Plugin Details

Severity: High

ID: 133507

File Name: centos_RHSA-2020-0366.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2/6/2020

Updated: 2/10/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2019-14378

VPR

Risk Factor: High

Score: 7.7

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.1

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

Temporal Vector: E:POC/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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

Temporal Vector: E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:centos:centos:qemu-img, p-cpe:/a:centos:centos:qemu-kvm, p-cpe:/a:centos:centos:qemu-kvm-common, p-cpe:/a:centos:centos:qemu-kvm-tools, cpe:/o:centos:centos:7

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/5/2020

Vulnerability Publication Date: 7/29/2019

Reference Information

CVE: CVE-2019-11135, CVE-2019-14378

RHSA: 2020:0366