CVE-2016-9178

5.5 MEDIUM
Published: November 28, 2016 Modified: May 06, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1c109fabbd51863475cd12ac206bdd249aee35af
Source: cve@mitre.org
Issue Tracking Patch Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5
Source: cve@mitre.org
Release Notes
http://www.openwall.com/lists/oss-security/2016/11/04/4
Source: cve@mitre.org
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/94144
Source: cve@mitre.org
https://bugzilla.redhat.com/show_bug.cgi?id=1391908
Source: cve@mitre.org
Issue Tracking
https://github.com/torvalds/linux/commit/1c109fabbd51863475cd12ac206bdd249aee35af
Source: cve@mitre.org
Issue Tracking Patch Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1c109fabbd51863475cd12ac206bdd249aee35af
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
http://www.openwall.com/lists/oss-security/2016/11/04/4
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/94144
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=1391908
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
https://github.com/torvalds/linux/commit/1c109fabbd51863475cd12ac206bdd249aee35af
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
0.1%
21th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-200

Affected Vendors

linux

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