CVE-2016-3961
Xen Linux Hypervisor Denial of Service
Description
Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area.
INFO
Published Date :
April 15, 2016, 2:59 p.m.
Last Modified :
Nov. 28, 2016, 8:14 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
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-2016-3961
.
URL | Resource |
---|---|
http://www.debian.org/security/2016/dsa-3607 | |
http://www.securityfocus.com/bid/86068 | |
http://www.securitytracker.com/id/1035569 | Third Party Advisory VDB Entry |
http://www.ubuntu.com/usn/USN-3001-1 | Third Party Advisory |
http://www.ubuntu.com/usn/USN-3002-1 | Third Party Advisory |
http://www.ubuntu.com/usn/USN-3003-1 | Third Party Advisory |
http://www.ubuntu.com/usn/USN-3004-1 | Third Party Advisory |
http://www.ubuntu.com/usn/USN-3005-1 | Third Party Advisory |
http://www.ubuntu.com/usn/USN-3006-1 | Third Party Advisory |
http://www.ubuntu.com/usn/USN-3007-1 | Third Party Advisory |
http://www.ubuntu.com/usn/USN-3049-1 | |
http://www.ubuntu.com/usn/USN-3050-1 | |
http://xenbits.xen.org/xsa/advisory-174.html | Vendor Advisory |
http://xenbits.xen.org/xsa/xsa174.patch | Patch |
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-2016-3961
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-3961
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.debian.org/security/2016/dsa-3607 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-3050-1 [No Types Assigned] Added Reference http://www.securityfocus.com/bid/86068 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-3049-1 [No Types Assigned] -
Modified Analysis by [email protected]
Aug. 16, 2016
Action Type Old Value New Value Changed CPE Configuration Configuration 1 OR *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Configuration 2 OR *cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:* (and previous) Configuration 1 OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Configuration 2 OR *cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:* (and previous) Changed Reference Type http://www.ubuntu.com/usn/USN-3007-1 No Types Assigned http://www.ubuntu.com/usn/USN-3007-1 Third Party Advisory Changed Reference Type http://www.securitytracker.com/id/1035569 No Types Assigned http://www.securitytracker.com/id/1035569 Third Party Advisory, VDB Entry Changed Reference Type http://www.ubuntu.com/usn/USN-3005-1 No Types Assigned http://www.ubuntu.com/usn/USN-3005-1 Third Party Advisory Changed Reference Type http://www.ubuntu.com/usn/USN-3002-1 No Types Assigned http://www.ubuntu.com/usn/USN-3002-1 Third Party Advisory Changed Reference Type http://www.ubuntu.com/usn/USN-3006-1 No Types Assigned http://www.ubuntu.com/usn/USN-3006-1 Third Party Advisory Changed Reference Type http://www.ubuntu.com/usn/USN-3003-1 No Types Assigned http://www.ubuntu.com/usn/USN-3003-1 Third Party Advisory Changed Reference Type http://www.ubuntu.com/usn/USN-3001-1 No Types Assigned http://www.ubuntu.com/usn/USN-3001-1 Third Party Advisory Changed Reference Type http://www.ubuntu.com/usn/USN-3004-1 No Types Assigned http://www.ubuntu.com/usn/USN-3004-1 Third Party Advisory Changed Reference Type http://xenbits.xen.org/xsa/xsa174.patch No Types Assigned http://xenbits.xen.org/xsa/xsa174.patch Patch -
CVE Modified by [email protected]
Jul. 27, 2016
Action Type Old Value New Value Added Reference http://www.ubuntu.com/usn/USN-3007-1 Added Reference http://www.ubuntu.com/usn/USN-3005-1 Added Reference http://www.ubuntu.com/usn/USN-3006-1 -
Modified Analysis by [email protected]
Jul. 19, 2016
Action Type Old Value New Value Changed CPE Configuration Configuration 1 OR *cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:* (and previous) Configuration 1 OR *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Configuration 2 OR *cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:* (and previous) -
CVE Translated by [email protected]
Jul. 19, 2016
Action Type Old Value New Value Removed Translation Xen y el kernel de Linux hasta la versión 4.5.x no suprime correctamente el soporte hugetlbfs en invitados x86 PV, lo que permite a usuarios invitados PV locales provocar una denegación de servicio (caída de SO invitado) al intentar acceder a un área mapeada hugetlbfs. Added Translation Xen y el kernel de Linux hasta la versión 4.5.x no suprime adecuadamente el apoyo hugetlbfs en invitados x86 PV, lo que permite a usuarios PV locales invitados del SO provocar una denegación de servicio (caida de SO invitado) al intentar acceder a un área mapeada hugetlbfs. -
CVE Modified by [email protected]
Jul. 19, 2016
Action Type Old Value New Value Changed Description Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area. Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area. Added Reference http://www.ubuntu.com/usn/USN-3002-1 Added Reference http://www.ubuntu.com/usn/USN-3003-1 Added Reference http://www.ubuntu.com/usn/USN-3001-1 Added Reference http://www.ubuntu.com/usn/USN-3004-1 -
Modified Analysis by [email protected]
Apr. 18, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://xenbits.xen.org/xsa/advisory-174.html No Types Assigned http://xenbits.xen.org/xsa/advisory-174.html Advisory Added CWE CWE-20 -
Initial Analysis by [email protected]
Apr. 17, 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-2016-3961
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-2016-3961
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
0.26165
percentile