CVE-2017-6951
Linux Keyring Null Pointer Dereference Vulnerability
Description
The keyring_search_aux function in security/keys/keyring.c in the Linux kernel through 3.14.79 allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a request_key system call for the "dead" type.
INFO
Published Date :
March 16, 2017, 6:59 p.m.
Last Modified :
Nov. 21, 2024, 3:30 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2017-6951 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-2017-6951.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/96943 | Third Party Advisory VDB Entry |
| http://www.spinics.net/lists/keyrings/msg01845.html | Mailing List Third Party Advisory |
| http://www.spinics.net/lists/keyrings/msg01846.html | Mailing List Third Party Advisory |
| http://www.spinics.net/lists/keyrings/msg01849.html | Mailing List Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2017:1842 | |
| https://access.redhat.com/errata/RHSA-2017:2077 | |
| https://access.redhat.com/errata/RHSA-2017:2669 | |
| http://www.securityfocus.com/bid/96943 | Third Party Advisory VDB Entry |
| http://www.spinics.net/lists/keyrings/msg01845.html | Mailing List Third Party Advisory |
| http://www.spinics.net/lists/keyrings/msg01846.html | Mailing List Third Party Advisory |
| http://www.spinics.net/lists/keyrings/msg01849.html | Mailing List Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2017:1842 | |
| https://access.redhat.com/errata/RHSA-2017:2077 | |
| https://access.redhat.com/errata/RHSA-2017:2669 |
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-2017-6951 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-6951 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. 05, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2017:2077 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:1842 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 31, 2017
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2017:2669 [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 21, 2017
Action Type Old Value New Value 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://www.securityfocus.com/bid/96943 No Types Assigned http://www.securityfocus.com/bid/96943 Third Party Advisory, VDB Entry Changed Reference Type http://www.spinics.net/lists/keyrings/msg01845.html No Types Assigned http://www.spinics.net/lists/keyrings/msg01845.html Mailing List, Third Party Advisory Changed Reference Type http://www.spinics.net/lists/keyrings/msg01849.html No Types Assigned http://www.spinics.net/lists/keyrings/msg01849.html Mailing List, Third Party Advisory Changed Reference Type http://www.spinics.net/lists/keyrings/msg01846.html No Types Assigned http://www.spinics.net/lists/keyrings/msg01846.html Mailing List, Third Party Advisory Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:3.14.79:*:*:*:*:*:*:* (and previous) -
CVE Modified by [email protected]
Mar. 21, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/96943 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-6951 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-2017-6951
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