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VULNERABILITIES

CVE-2016-9178 Details

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.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector: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

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URLSource(s)Tag(s)
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1c109fabbd51863475cd12ac206bdd249aee35af CVEIssue TrackingPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1391908 CVEIssue Tracking
https://github.com/torvalds/linux/commit/1c109fabbd51863475cd12ac206bdd249aee35af CVEIssue TrackingPatchThird Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5 CVERelease Notes
http://www.openwall.com/lists/oss-security/2016/11/04/4 CVEMailing ListThird Party Advisory

see all 12 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-200Exposure of Sensitive Information to an Unauthorized Actor[email protected]

Affected Products

ProductVersions
linux linux kernel
<= 4.7.4

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2016-9178
NVD Published Date:
Nov 28, 2016
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2016-9178 Details - Not Deferred