RHEL 7 : qemu-kvm-ma (RHSA-2020:3907)

medium Nessus Plugin ID 141033

Synopsis

The remote Red Hat host is missing one or more security updates for qemu-kvm-ma.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3907 advisory.

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: seccomp: blacklist is not applied to all threads (CVE-2018-15746)

* QEMU: vnc: memory leakage upon disconnect (CVE-2019-20382)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL qemu-kvm-ma package based on the guidance in RHSA-2020:3907.

See Also

http://www.nessus.org/u?160ed1f0

http://www.nessus.org/u?dd3afe18

https://access.redhat.com/security/updates/classification/#low

https://access.redhat.com/errata/RHSA-2020:3907

https://bugzilla.redhat.com/show_bug.cgi?id=1615637

https://bugzilla.redhat.com/show_bug.cgi?id=1810390

Plugin Details

Severity: Medium

ID: 141033

File Name: redhat-RHSA-2020-3907.nasl

Version: 1.11

Type: local

Agent: unix

Published: 9/29/2020

Updated: 11/8/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Low

Base Score: 2.7

Temporal Score: 2

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

CVSS Score Source: CVE-2019-20382

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

CVSS Score Source: CVE-2018-15746

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:qemu-kvm-ma, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-common-ma, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-tools-ma, p-cpe:/a:redhat:enterprise_linux:qemu-img-ma

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: 9/29/2020

Vulnerability Publication Date: 8/13/2018

Reference Information

CVE: CVE-2018-15746, CVE-2019-20382

BID: 105175

CWE: 184, 772

RHSA: 2020:3907