CentOS 7 : kernel (CESA-2018:3651)

high Nessus Plugin ID 119662

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

An update for kernel is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es) :

* kernel: stack-based buffer overflow in chap_server_compute_md5() in iscsi target (CVE-2018-14633)

* kernel: NULL pointer dereference in af_netlink.c:__netlink_ns_capable() allows for denial of service (CVE-2018-14646)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank Vincent Pelletier for reporting CVE-2018-14633 and Christian Brauner for reporting CVE-2018-14646.

Bug Fix(es) :

These updated kernel packages include also numerous bug fixes. Space precludes documenting all of the bug fixes in this advisory. See the descriptions in the related Knowledge Article:
https://access.redhat.com/articles/3714371

Solution

Update the affected kernel packages.

Plugin Details

Severity: High

ID: 119662

File Name: centos_RHSA-2018-3651.nasl

Version: 1.4

Type: local

Agent: unix

Family: CentOS Local Security Checks

Published: 12/14/2018

Updated: 4/8/2020

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.1

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

CVSS Score Source: CVE-2018-14633

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

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

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

Vulnerability Information

CPE: p-cpe:/a:centos:centos:bpftool, p-cpe:/a:centos:centos:kernel, p-cpe:/a:centos:centos:kernel-debug, p-cpe:/a:centos:centos:kernel-debug-devel, p-cpe:/a:centos:centos:kernel-devel, p-cpe:/a:centos:centos:kernel-headers, p-cpe:/a:centos:centos:kernel-tools, p-cpe:/a:centos:centos:kernel-tools-libs, p-cpe:/a:centos:centos:kernel-tools-libs-devel, p-cpe:/a:centos:centos:perf, p-cpe:/a:centos:centos:python-perf, cpe:/o:centos:centos:7

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/13/2018

Vulnerability Publication Date: 9/25/2018

Reference Information

CVE: CVE-2018-14633, CVE-2018-14646

RHSA: 2018:3651

Detections

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