CVE-2015-4177
Linux Kernel MNT_DETACH Umount2 Denial of Service Vulnerability
Description
The collect_mounts function in fs/namespace.c in the Linux kernel before 4.0.5 does not properly consider that it may execute after a path has been unmounted, which allows local users to cause a denial of service (system crash) by leveraging user-namespace root access for an MNT_DETACH umount2 system call.
INFO
Published Date :
May 2, 2016, 10:59 a.m.
Last Modified :
May 6, 2016, 4:44 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2015-4177 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-2015-4177.
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-2015-4177 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-4177 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.
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CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
May. 06, 2016
Action Type Old Value New Value Added Evaluator Description <a href="http://cwe.mitre.org/data/definitions/476.html">CWE-476: NULL Pointer Dereference</a> Added CPE Configuration Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:4.0.4:*:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:C) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cd4a40174b71acd021877341684d8bb1dc8ea4ae No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cd4a40174b71acd021877341684d8bb1dc8ea4ae Advisory Changed Reference Type https://github.com/torvalds/linux/commit/cd4a40174b71acd021877341684d8bb1dc8ea4ae No Types Assigned https://github.com/torvalds/linux/commit/cd4a40174b71acd021877341684d8bb1dc8ea4ae Advisory Added CWE NVD-CWE-Other -
Initial Analysis by [email protected]
May. 05, 2016
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-4177 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-2015-4177
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile