CVE-2016-7916

5.5 MEDIUM
Published: November 16, 2016 Modified: May 06, 2026
View on NVD

Description

Race condition in the environ_read function in fs/proc/base.c in the Linux kernel before 4.5.4 allows local users to obtain sensitive information from kernel memory by reading a /proc/*/environ file during a process-setup time interval in which environment-variable copying is incomplete.

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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:N/UI:R/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=8148a73c9901a8794a50f950083c00ccf97d43b3
Source: security@android.com
Issue Tracking Patch Third Party Advisory
http://source.android.com/security/bulletin/2016-11-01.html
Source: security@android.com
Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4
Source: security@android.com
Release Notes Vendor Advisory
http://www.securityfocus.com/bid/94138
Source: security@android.com
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-3159-1
Source: security@android.com
http://www.ubuntu.com/usn/USN-3159-2
Source: security@android.com
https://bugzilla.kernel.org/show_bug.cgi?id=116461
Source: security@android.com
Issue Tracking
https://forums.grsecurity.net/viewtopic.php?f=3&t=4363
Source: security@android.com
Issue Tracking
https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3
Source: security@android.com
Issue Tracking Patch Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
http://source.android.com/security/bulletin/2016-11-01.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
http://www.securityfocus.com/bid/94138
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-3159-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3159-2
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.kernel.org/show_bug.cgi?id=116461
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
https://forums.grsecurity.net/viewtopic.php?f=3&t=4363
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
0.1%
17th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-362

Affected Vendors

linux

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