RHEL 6 : kernel (RHSA-2018:2391)

high Nessus Plugin ID 111732

Synopsis

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

Description

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:2391 advisory.

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

- kernel: kvm: vmx: host GDT limit corruption (CVE-2018-10901)

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 kernel package based on the guidance in RHSA-2018:2391.

See Also

http://www.nessus.org/u?da6645f4

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

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

https://bugzilla.redhat.com/show_bug.cgi?id=1601849

https://access.redhat.com/errata/RHSA-2018:2391

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

Plugin Details

Severity: High

ID: 111732

File Name: redhat-RHSA-2018-2391.nasl

Version: 1.13

Type: local

Agent: unix

Published: 8/15/2018

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: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2018-10901

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-firmware, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-kdump, p-cpe:/a:redhat:enterprise_linux:kernel-bootwrapper, cpe:/o:redhat:rhel_eus:6.7, p-cpe:/a:redhat:enterprise_linux:python-perf, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:perf

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

Patch Publication Date: 8/14/2018

Vulnerability Publication Date: 7/26/2018

Reference Information

CVE: CVE-2018-10901, CVE-2018-3620, CVE-2018-3646

CWE: 200, 665

RHSA: 2018:2391