CVE-2016-5242
Xen P2M NULL Pointer Dereferenceciluality
Description
The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them, related to VMID exhaustion.
INFO
Published Date :
June 7, 2016, 2:06 p.m.
Last Modified :
Nov. 28, 2016, 8:23 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
4.0
Exploitability Score :
1.1
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-2016-5242.
| URL | Resource |
|---|---|
| http://www.debian.org/security/2016/dsa-3633 | |
| http://www.securityfocus.com/bid/91015 | |
| http://www.securitytracker.com/id/1036035 | |
| http://xenbits.xen.org/xsa/advisory-181.html | Vendor Advisory |
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-5242 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-5242 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]
Nov. 28, 2016
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/91015 [No Types Assigned] Added Reference http://www.debian.org/security/2016/dsa-3633 [No Types Assigned] -
Modified Analysis by [email protected]
Jun. 15, 2016
Action Type Old Value New Value Removed CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:C) Removed CVSS V3 AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H Added CVSS V2 (AV:L/AC:M/Au:N/C:N/I:N/A:C) Added CVSS V3 AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H -
CVE Modified by [email protected]
Jun. 11, 2016
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1036035 -
Modified Analysis by [email protected]
Jun. 09, 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:xen:xen:4.6.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.4.4:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.4.0:rc1:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:* 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:C/C:N/I:N/A:H Changed Reference Type http://xenbits.xen.org/xsa/advisory-181.html No Types Assigned http://xenbits.xen.org/xsa/advisory-181.html Advisory Added CWE NVD-CWE-Other -
CVE Modified by [email protected]
Jun. 09, 2016
Action Type Old Value New Value Changed Description The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local OS guest users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them, related to VMID exhaustion. The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them, related to VMID exhaustion. -
CVE Modified by [email protected]
Jun. 08, 2016
Action Type Old Value New Value Changed Description The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them, related to VMID exhaustion. The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local OS guest users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them, related to VMID exhaustion. -
Initial Analysis by [email protected]
Jun. 07, 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-2016-5242 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-2016-5242
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.00%
score
0.22803
percentile