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RHEL 7 : redhat-virtualization-host (RHSA-2018:2403)

medium Nessus Plugin ID 112027

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Synopsis

The remote Red Hat host is missing one or more security updates for redhat-virtualization-host.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:2403 advisory.

 - Kernel: hw: cpu: L1 terminal fault (L1TF) (CVE-2018-3620, CVE-2018-3646)

 - kernel: TCP segments with random offsets allow a remote denial of service (SegmentSmack) (CVE-2018-5390)

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 redhat-virtualization-host package based on the guidance in RHSA-2018:2403.

See Also

http://www.nessus.org/u?0a034ca4

https://access.redhat.com/security/vulnerabilities/L1TF

https://bugzilla.redhat.com/show_bug.cgi?id=1585005

https://bugzilla.redhat.com/show_bug.cgi?id=1601704

https://bugzilla.redhat.com/show_bug.cgi?id=1614067

https://access.redhat.com/errata/RHSA-2018:2403

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

Plugin Details

Severity: Medium

ID: 112027

File Name: redhat-RHSA-2018-2403.nasl

Version: 1.8

Type: local

Agent: unix

Published: 8/21/2018

Updated: 4/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.5

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

CVSS Score Source: CVE-2018-3646

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.9

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:redhat-release-virtualization-host, p-cpe:/a:redhat:enterprise_linux:redhat-virtualization-host, p-cpe:/a:redhat:enterprise_linux:redhat-virtualization-host-image-update, p-cpe:/a:redhat:enterprise_linux:redhat-virtualization-host-image-update-placeholder, cpe:/o:redhat:enterprise_linux:7

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

Patch Publication Date: 8/15/2018

Vulnerability Publication Date: 8/6/2018

Reference Information

CVE: CVE-2018-3620, CVE-2018-3646, CVE-2018-5390

CWE: 200, 400

RHSA: 2018:2403