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RHEL 7 : openvswitch (RHSA-2020:2298)

medium Nessus Plugin ID 136913

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Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2298 advisory.

 Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic.

 Security Fix(es):

 * dpdk: librte_vhost Interger overflow in vhost_user_set_log_base() (CVE-2020-10722)

 * dpdk: librte_vhost Integer truncation in vhost_user_check_and_alloc_queue_pair() (CVE-2020-10723)

 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):

 * OVS causing high pings and latency inside guest VM when an active DPDK port fails (BZ#1822198)

 * SEGV after recirculation in batch processing in vswitchd 2.9.0 (BZ#1826886)

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 affected packages.

See Also

http://www.nessus.org/u?0726cd54

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

https://access.redhat.com/errata/RHSA-2020:2298

https://bugzilla.redhat.com/show_bug.cgi?id=1822198

https://bugzilla.redhat.com/show_bug.cgi?id=1826886

https://bugzilla.redhat.com/show_bug.cgi?id=1828867

https://bugzilla.redhat.com/show_bug.cgi?id=1828874

Plugin Details

Severity: Medium

ID: 136913

File Name: redhat-RHSA-2020-2298.nasl

Version: 1.11

Type: local

Agent: unix

Published: 5/27/2020

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: 5.9

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-10723

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

Vector: CVSS:3.0/AV:L/AC:L/PR:H/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:openvswitch-ovn-common, p-cpe:/a:redhat:enterprise_linux:openvswitch-ovn-central, p-cpe:/a:redhat:enterprise_linux:openvswitch-ovn-vtep, p-cpe:/a:redhat:enterprise_linux:openvswitch-test, p-cpe:/a:redhat:enterprise_linux:openvswitch, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:python-openvswitch, p-cpe:/a:redhat:enterprise_linux:openvswitch-devel, p-cpe:/a:redhat:enterprise_linux:openvswitch-ovn-host

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: 5/26/2020

Vulnerability Publication Date: 5/19/2020

Reference Information

CVE: CVE-2020-10722, CVE-2020-10723

CWE: 190

RHSA: 2020:2298