CVE-2015-7812

Debian Security Advisory 3414-1

Severity Score

6.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The hypercall_create_continuation function in arch/arm/domain.c in Xen 4.4.x through 4.6.x allows local guest users to cause a denial of service (host crash) via a preemptible hypercall to the multicall interface.

La función hypercall_create_continuation en arch/arm/domain.c en Xen 4.4.x hasta la versión 4.6.x permite a usuarios locales invitados provocar una denegación de servicio (caída de host) a través de una hypercall a la interfaz multi llamada.

Multiple security issues have been found in the Xen virtualisation solution, which may result in denial of service or information disclosure.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2015-10-14 CVE Reserved
2015-11-17 CVE Published
2024-08-06 CVE Updated
2025-06-26 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-254: 7PK - Security Features

CAPEC

References (7)

URL	Tag	Source
http://www.securitytracker.com/id/1034031	Vdb Entry

URL	Date	SRC

URL	Date	SRC
http://xenbits.xen.org/xsa/advisory-145.html	2018-10-30

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html	2018-10-30
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html	2018-10-30
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html	2018-10-30
http://www.debian.org/security/2015/dsa-3414	2018-10-30
https://security.gentoo.org/glsa/201604-03	2018-10-30

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Xen Search vendor "Xen"		Xen Search vendor "Xen" for product "Xen"				4.4.0 Search vendor "Xen" for product "Xen" and version "4.4.0"		-		Affected
Xen Search vendor "Xen"		Xen Search vendor "Xen" for product "Xen"				4.4.1 Search vendor "Xen" for product "Xen" and version "4.4.1"		-		Affected
Xen Search vendor "Xen"		Xen Search vendor "Xen" for product "Xen"				4.4.2 Search vendor "Xen" for product "Xen" and version "4.4.2"		-		Affected
Xen Search vendor "Xen"		Xen Search vendor "Xen" for product "Xen"				4.4.3 Search vendor "Xen" for product "Xen" and version "4.4.3"		-		Affected
Xen Search vendor "Xen"		Xen Search vendor "Xen" for product "Xen"				4.5.0 Search vendor "Xen" for product "Xen" and version "4.5.0"		-		Affected
Xen Search vendor "Xen"		Xen Search vendor "Xen" for product "Xen"				4.5.1 Search vendor "Xen" for product "Xen" and version "4.5.1"		-		Affected
Xen Search vendor "Xen"		Xen Search vendor "Xen" for product "Xen"				4.5.2 Search vendor "Xen" for product "Xen" and version "4.5.2"		-		Affected
Xen Search vendor "Xen"		Xen Search vendor "Xen" for product "Xen"				4.6.0 Search vendor "Xen" for product "Xen" and version "4.6.0"		-		Affected