CVE-2016-7916
Linux kernel Environ Read Race Condition Information Disclosure
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.
INFO
Published Date :
Nov. 16, 2016, 5:59 a.m.
Last Modified :
Nov. 21, 2024, 2:58 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2016-7916 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2016-7916.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Map Vulnerabilities into Different Layers of the Container Image
Python
None
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-7916 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-7916 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Jan. 18, 2017
Action Type Old Value New Value Added Reference http://www.ubuntu.com/usn/USN-3159-2 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-3159-1 [No Types Assigned] -
Modified Analysis by [email protected]
Dec. 02, 2016
Action Type Old Value New Value Changed CVSS V2 (AV:N/AC:M/Au:N/C:C/I:N/A:N) (AV:L/AC:M/Au:N/C:C/I:N/A:N) Changed Reference Type http://www.securityfocus.com/bid/94138 No Types Assigned http://www.securityfocus.com/bid/94138 Third Party Advisory, VDB Entry -
CVE Modified by [email protected]
Nov. 28, 2016
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/94138 [No Types Assigned] -
Initial Analysis by [email protected]
Nov. 16, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:4.5.3:*:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:N/AC:M/Au:N/C:C/I:N/A:N) Added CVSS V3 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Changed Reference Type https://bugzilla.kernel.org/show_bug.cgi?id=116461 No Types Assigned https://bugzilla.kernel.org/show_bug.cgi?id=116461 Issue Tracking Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3 No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3 Third Party Advisory, Issue Tracking, Patch Changed Reference Type http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4 No Types Assigned http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4 Release Notes, Vendor Advisory Changed Reference Type https://forums.grsecurity.net/viewtopic.php?f=3&t=4363 No Types Assigned https://forums.grsecurity.net/viewtopic.php?f=3&t=4363 Issue Tracking Changed Reference Type https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3 No Types Assigned https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3 Third Party Advisory, Issue Tracking, Patch Changed Reference Type http://source.android.com/security/bulletin/2016-11-01.html No Types Assigned http://source.android.com/security/bulletin/2016-11-01.html Third Party Advisory Added CWE CWE-362
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-7916 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2016-7916
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.07 }} 0.00%
score
0.29694
percentile