4.7
MEDIUM
CVE-2015-7814
Xen ARM Relinquish Memory Race Condition Denial of Service
Description

Race condition in the relinquish_memory function in arch/arm/domain.c in Xen 4.6.x and earlier allows local domains with partial management control to cause a denial of service (host crash) via vectors involving the destruction of a domain and using XENMEM_decrease_reservation to reduce the memory of the domain.

INFO

Published Date :

Oct. 30, 2015, 3:59 p.m.

Last Modified :

July 1, 2017, 1:29 a.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

6.9

Exploitability Score :

3.4
Affected Products

The following products are affected by CVE-2015-7814 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Xen xen
: Total Affected Vendor : 1 | Products : 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-2015-7814.

URL Resource
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html
http://www.debian.org/security/2015/dsa-3414
http://www.securitytracker.com/id/1034030
http://xenbits.xen.org/xsa/advisory-147.html Vendor Advisory
https://security.gentoo.org/glsa/201604-03

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-2015-7814 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-7814 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]

    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://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://www.securitytracker.com/id/1034030 [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]
  • 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:4.6.0:*:*:*:*:*:*:* (and previous)
    Added CVSS V2 (AV:L/AC:M/Au:N/C:N/I:N/A:C)
    Changed Reference Type http://xenbits.xen.org/xsa/advisory-147.html No Types Assigned http://xenbits.xen.org/xsa/advisory-147.html Advisory
    Added CWE CWE-119
    Added CWE CWE-362
  • Initial Analysis by [email protected]

    Nov. 02, 2015

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Nov. 02, 2015

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-7814 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-2015-7814 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation CAPEC-26: Leveraging Race Conditions Leveraging Race Conditions CAPEC-29: Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions
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

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability
: