CVE-2016-9178

MediumCVSS 5.5/10Last modified Jun 17, 2026

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

CVSS 3.0 5.5/10CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-200

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1c109fabbd51863475cd12ac206bdd249aee35afIssue Tracking, Patch, Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5Release Notes
http://www.openwall.com/lists/oss-security/2016/11/04/4Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/94144
https://bugzilla.redhat.com/show_bug.cgi?id=1391908Issue Tracking
https://github.com/torvalds/linux/commit/1c109fabbd51863475cd12ac206bdd249aee35afIssue Tracking, Patch, Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1c109fabbd51863475cd12ac206bdd249aee35afIssue Tracking, Patch, Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5Release Notes
http://www.openwall.com/lists/oss-security/2016/11/04/4Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/94144
https://bugzilla.redhat.com/show_bug.cgi?id=1391908Issue Tracking
https://github.com/torvalds/linux/commit/1c109fabbd51863475cd12ac206bdd249aee35afIssue Tracking, Patch, Third Party Advisory

Timeline

Published: Nov 28, 2016
Last modified: Jun 17, 2026
NVD status: Modified

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