CVE-2015-7971
Xen Denial of Service Vulnerability
Description
Xen 3.2.x through 4.6.x does not limit the number of printk console messages when logging certain pmu and profiling hypercalls, which allows local guests to cause a denial of service via a sequence of crafted (1) HYPERCALL_xenoprof_op hypercalls, which are not properly handled in the do_xenoprof_op function in common/xenoprof.c, or (2) HYPERVISOR_xenpmu_op hypercalls, which are not properly handled in the do_xenpmu_op function in arch/x86/cpu/vpmu.c.
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 :
2.9
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-2015-7971.
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-2015-7971 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-7971 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://www.securitytracker.com/id/1034035 [No Types Assigned] Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html [No Types Assigned] Added Reference http://www.debian.org/security/2015/dsa-3414 [No Types Assigned] Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html [No Types Assigned] Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.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/77363 [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:3.2.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.2.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.2.2:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.2.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.3.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.3.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.3.2:*:*:*:*:*:*:* *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:N/I:N/A:P) Changed Reference Type http://xenbits.xen.org/xsa/advisory-152.html No Types Assigned http://xenbits.xen.org/xsa/advisory-152.html Advisory Added CWE CWE-19 -
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-2015-7971 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-2015-7971
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