U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

CVE-2016-9178 Detail

Description

The __get_user_asm_ex macro in arch/x86/include/asm/uaccess.h in the Linux kernel before 4.7.5 does not initialize a certain integer variable, which allows local users to obtain sensitive information from kernel stack memory by triggering failure of a get_user_ex call.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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 [email protected].

URL Source(s) Tag(s)
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1c109fabbd51863475cd12ac206bdd249aee35af CVE, MITRE Issue Tracking  Patch  Third Party Advisory 
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5 CVE, MITRE Release Notes 
http://www.openwall.com/lists/oss-security/2016/11/04/4 CVE, MITRE Mailing List  Third Party Advisory 
http://www.securityfocus.com/bid/94144 CVE, MITRE
https://bugzilla.redhat.com/show_bug.cgi?id=1391908 CVE, MITRE Issue Tracking 
https://github.com/torvalds/linux/commit/1c109fabbd51863475cd12ac206bdd249aee35af CVE, MITRE Issue Tracking  Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor cwe source acceptance level NIST  

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-2016-9178
NVD Published Date:
11/27/2016
NVD Last Modified:
04/12/2025
Source:
MITRE