RHEL 7 : openvswitch (RHSA-2020:0165)

high Nessus Plugin ID 133126

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Synopsis

The remote Red Hat host is missing a security update for openvswitch.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:0165 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: possible memory leak leads to denial of service (CVE-2019-14818)

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):

* Fast datapath guaranteed bandwidth for SR-IOV, OVS and OVS-DPDK (Test-only) (BZ#1546429)

* [ovs2.9] SSL connections drops are constantly logged in ovsdb-server-nb.log (BZ#1563574)

* [FD-7 hotfix] Connectivity issue across VXLAN tunnels in OVS-DPDK after reboot of hypervisor - problem clears up after restarting openvswitch (BZ#1758824)

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

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

Solution

Update the RHEL openvswitch package based on the guidance in RHSA-2020:0165.

Plugin Details

Severity: High

ID: 133126

File Name: redhat-RHSA-2020-0165.nasl

Version: 1.9

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 1/21/2020

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: Low

Score: 3.6

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2019-14818

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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: 1/21/2020

Vulnerability Publication Date: 11/13/2019

Reference Information

CVE: CVE-2019-14818

CWE: 401

RHSA: 2020:0165

Detections

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