RHEL 7 : qemu-kvm-rhev (RHSA-2021:0934)

medium Nessus Plugin ID 147882

Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0934 advisory.

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

Security Fix(es):

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

* reachable assertion failure in net_tx_pkt_add_raw_fragment() in hw/net/net_tx_pkt.c (CVE-2020-16092)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page 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-rhev package based on the guidance in RHSA-2021:0934.

See Also

http://www.nessus.org/u?84d7241b

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

https://access.redhat.com/errata/RHSA-2021:0934

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

https://bugzilla.redhat.com/show_bug.cgi?id=1860283

Plugin Details

Severity: Medium

ID: 147882

File Name: redhat-RHSA-2021-0934.nasl

Version: 1.14

Type: local

Agent: unix

Published: 3/18/2021

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2020-1983

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

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

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: 3/18/2021

Vulnerability Publication Date: 4/22/2020

Reference Information

CVE: CVE-2020-16092, CVE-2020-1983

CWE: 416, 617

IAVB: 2020-B-0041-S

RHSA: 2021:0934