RHEL 8 : kpatch-patch (RHSA-2019:3936)

medium Nessus Plugin ID 131177

Synopsis

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

Description

An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.

Security Fix(es) :

* hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207)

* hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)

Solution

Update the affected kpatch-patch-4_18_0-147, kpatch-patch-4_18_0-147-debuginfo and / or kpatch-patch-4_18_0-147-debugsource packages.

See Also

https://access.redhat.com/security/vulnerabilities/ifu-page-mce

https://access.redhat.com/solutions/tsx-asynchronousabort

https://access.redhat.com/errata/RHSA-2019:3936

https://access.redhat.com/security/cve/cve-2018-12207

https://access.redhat.com/security/cve/cve-2019-11135

Plugin Details

Severity: Medium

ID: 131177

File Name: redhat-RHSA-2019-3936.nasl

Version: 1.3

Type: local

Agent: unix

Published: 11/21/2019

Updated: 12/13/2019

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

Risk Information

VPR

Risk Factor: High

Score: 7.1

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2019-11135

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:L/AC:L/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:kpatch-patch-4_18_0-147, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147-debuginfo, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147-debugsource, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:8.1

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: 11/20/2019

Vulnerability Publication Date: 11/14/2019

Reference Information

CVE: CVE-2018-12207, CVE-2019-11135

RHSA: 2019:3936