CVE-2015-7835
Xen Level 2 Page Table Entry Validation Vulnerability
Description
The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping.
INFO
Published Date :
Oct. 30, 2015, 3:59 p.m.
Last Modified :
Oct. 30, 2018, 4:26 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
10.0
Exploitability Score :
3.9
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-2015-7835
.
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-2015-7835
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-7835
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 -
CPE Deprecation Remap by [email protected]
Oct. 30, 2018
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:xen:xen:4.4.0:-:*:*:*:*:*:* OR *cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 01, 2017
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201604-03 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 07, 2016
Action Type Old Value New Value Added Reference http://support.citrix.com/article/CTX202404 [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html [No Types Assigned] Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html [No Types Assigned] Added Reference http://www.securitytracker.com/id/1034032 [No Types Assigned] Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html [No Types Assigned] Added Reference http://www.debian.org/security/2015/dsa-3390 [No Types Assigned] Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html [No Types Assigned] -
CVE Modified by [email protected]
Nov. 28, 2016
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/77366 [No Types Assigned] -
Modified Analysis by [email protected]
Nov. 02, 2015
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.4.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.2:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.6.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.3.2:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.3.4:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.4.0:-:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.4.1:-:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:* Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C) Changed Reference Type http://xenbits.xen.org/xsa/advisory-148.html No Types Assigned http://xenbits.xen.org/xsa/advisory-148.html Advisory Changed Reference Type https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-022-2015.txt No Types Assigned https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-022-2015.txt Advisory Added CWE CWE-20 Added CWE CWE-264 -
Initial Analysis by [email protected]
Nov. 02, 2015
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-2015-7835
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-2015-7835
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
0.24592
percentile