CVE-2015-4178
Linux fs_pin Denial of Service (DoS) Vulnerability
Description
The fs_pin implementation in the Linux kernel before 4.0.5 does not ensure the internal consistency of a certain list data structure, 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, related to fs/fs_pin.c and include/linux/fs_pin.h.
INFO
Published Date :
May 2, 2016, 10:59 a.m.
Last Modified :
April 12, 2025, 10:46 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.0 | MEDIUM | [email protected] |
Solution
- Update the affected kernel packages.
Public PoC/Exploit Available at Github
CVE-2015-4178 has a 1 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-2015-4178.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-4178 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-2015-4178
weaknesses.
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).
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-2015-4178 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-4178 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=820f9f147dcce2602eefd9b575bbbd9ea14f0953 Added Reference http://openwall.com/lists/oss-security/2015/05/29/10 Added Reference http://openwall.com/lists/oss-security/2015/05/29/5 Added Reference http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.5 Added Reference http://www.openwall.com/lists/oss-security/2015/06/04/5 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1249849 Added Reference https://github.com/torvalds/linux/commit/820f9f147dcce2602eefd9b575bbbd9ea14f0953 -
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://openwall.com/lists/oss-security/2015/05/29/5 No Types Assigned http://openwall.com/lists/oss-security/2015/05/29/5 Patch Changed Reference Type https://github.com/torvalds/linux/commit/820f9f147dcce2602eefd9b575bbbd9ea14f0953 No Types Assigned https://github.com/torvalds/linux/commit/820f9f147dcce2602eefd9b575bbbd9ea14f0953 Advisory, Patch Changed Reference Type http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.5 No Types Assigned http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.5 Advisory Added CWE NVD-CWE-Other -
Initial Analysis by [email protected]
May. 06, 2016
Action Type Old Value New Value
Vulnerability Scoring Details
Base CVSS Score: 5.5
Base CVSS Score: 4.9
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} -0.04%
score
0.11990
percentile