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RHEL 7 : qemu-kvm (RHSA-2020:4079)

medium Nessus Plugin ID 143069

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Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4079 advisory.

 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):

 * QEMU: usb: out-of-bounds r/w access issue while processing usb packets (CVE-2020-14364)

 * QEMU: slirp: use-after-free in ip_reass() function in ip_input.c (CVE-2020-1983)

 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.

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 package based on the guidance in RHSA-2020:4079.

See Also

http://www.nessus.org/u?3254a7db

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

https://access.redhat.com/errata/RHSA-2020:4079

https://bugzilla.redhat.com/show_bug.cgi?id=1829825

https://bugzilla.redhat.com/show_bug.cgi?id=1837565

https://bugzilla.redhat.com/show_bug.cgi?id=1869201

https://bugzilla.redhat.com/show_bug.cgi?id=1869693

Plugin Details

Severity: Medium

ID: 143069

File Name: redhat-RHSA-2020-4079.nasl

Version: 1.11

Type: local

Agent: unix

Published: 11/19/2020

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-14364

CVSS v3

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.5

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

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

Vulnerability Information

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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/30/2020

Vulnerability Publication Date: 4/22/2020

Reference Information

CVE: CVE-2020-14364, CVE-2020-1983

CWE: 416, 787

IAVB: 2020-B-0063-S

RHSA: 2020:4079