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RHEL 7 : qemu-kvm-ma (RHSA-2019:1881)

critical Nessus Plugin ID 127620

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Synopsis

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

Description

An update for qemu-kvm-ma 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-ma packages provide the user-space component for running virtual machines that use KVM on the IBM z Systems, IBM Power, and 64-bit ARM architectures.

Security Fix(es) :

* QEMU: device_tree: heap buffer overflow while loading device tree blob (CVE-2018-20815)

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) :

* As newer machine remove csske feature, detection of the processor fail and machine used old version as fallback. This update make feature conditional so detection of newer cpu works properly.
(BZ#1720262)

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2019:1881

https://access.redhat.com/security/cve/cve-2018-20815

Plugin Details

Severity: Critical

ID: 127620

File Name: redhat-RHSA-2019-1881.nasl

Version: 1.5

Type: local

Agent: unix

Published: 8/12/2019

Updated: 1/6/2020

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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-img-ma, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-common-ma, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-ma, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-ma-debuginfo, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-tools-ma, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:7.6

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: 7/29/2019

Vulnerability Publication Date: 5/31/2019

Reference Information

CVE: CVE-2018-20815

RHSA: 2019:1881