Detections
Analytics
RHEL 7 : kernel (RHSA-2018:0395)
high Nessus Plugin ID 107186
Language:
Synopsis
The remote Red Hat host is missing one or more security updates for kernel.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:0395 advisory.The kernel packages contain the Linux kernel, the core of any Linux operating system.
These updated kernel packages include several security issues and numerous bug fixes, some of which you can see below. Space precludes documenting all of these bug fixes in this advisory. To see the complete list of bug fixes, users are directed to the related Knowledge Article:
https://access.redhat.com/articles/3368501.
Security Fix(es):
* Kernel: KVM: MMU potential stack buffer overrun during page walks (CVE-2017-12188, Important)
* Kernel: KVM: debug exception via syscall emulation (CVE-2017-7518, Moderate)
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 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-2018:0395.See Also
http://www.nessus.org/u?cd662b6a
https://access.redhat.com/articles/3368501
https://access.redhat.com/errata/RHSA-2018:0395
https://access.redhat.com/security/updates/classification/#important
Plugin Details
Severity: High
ID: 107186
File Name: redhat-RHSA-2018-0395.nasl
Version: 1.13
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 3/7/2018
Updated: 11/5/2024
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: Medium
Base Score: 6.9
Temporal Score: 5.1
Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2017-12188
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
CVSS Score Source: CVE-2017-7518
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-headers, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, 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, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, 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: 3/6/2018
Vulnerability Publication Date: 10/11/2017
Reference Information
CVE: CVE-2017-12188, CVE-2017-7518