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RHEL 7 : kpatch-patch (RHSA-2019:4171)

high Nessus Plugin ID 131983

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Synopsis

The remote Red Hat host is missing a security update for kpatch-patch.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2019:4171 advisory.

 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:

 * kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results (CVE-2019-9500)

 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.

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 kpatch-patch package based on the guidance in RHSA-2019:4171.

See Also

http://www.nessus.org/u?b490ac7f

https://access.redhat.com/errata/RHSA-2019:4171

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

https://bugzilla.redhat.com/show_bug.cgi?id=1701224

Plugin Details

Severity: High

ID: 131983

File Name: redhat-RHSA-2019-4171.nasl

Version: 1.6

Type: local

Agent: unix

Published: 12/12/2019

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: High

Score: 7.3

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.9

Temporal Score: 6.2

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

CVSS Score Source: CVE-2019-9500

CVSS v3

Risk Factor: High

Base Score: 8.3

Temporal Score: 7.5

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_35_1, cpe:/o:redhat:rhel_eus:7.6, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_35_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_38_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_38_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_38_3

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/10/2019

Vulnerability Publication Date: 1/16/2020

Reference Information

CVE: CVE-2019-9500

CWE: 122

RHSA: 2019:4171