National Vulnerability Database

National Vulnerability Database

NVD

  1. Vulnerabilities

CVE-2017-12188 Detail

Current Description

arch/x86/kvm/mmu.c in the Linux kernel through 4.13.5, when nested virtualisation is used, does not properly traverse guest pagetable entries to resolve a guest virtual address, which allows L1 guest OS users to execute arbitrary code on the host OS or cause a denial of service (incorrect index during page walking, and host OS crash), aka an "MMU potential stack buffer overrun."


View Analysis Description

Severity

 


CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.8 HIGH
Vector:  CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
http://www.securityfocus.com/bid/101267 Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2018:0395
https://access.redhat.com/errata/RHSA-2018:0412
https://bugzilla.redhat.com/show_bug.cgi?id=1500380 Issue Tracking  Patch  Third Party Advisory 
https://patchwork.kernel.org/patch/9996579/ Issue Tracking  Patch  Vendor Advisory 
https://patchwork.kernel.org/patch/9996587/ Issue Tracking  Patch  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') cwe source acceptance level NIST  
CWE-121 Stack-based Buffer Overflow Reference acceptance level Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-12188
NVD Published Date:
10/11/2017
NVD Last Modified:
03/07/2018
Source:
Red Hat, Inc.