CVE-2014-1642

Gentoo Linux Security Advisory 201407-03

Severity Score

6.7

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The IRQ setup in Xen 4.2.x and 4.3.x, when using device passthrough and configured to support a large number of CPUs, frees certain memory that may still be intended for use, which allows local guest administrators to cause a denial of service (memory corruption and hypervisor crash) and possibly execute arbitrary code via vectors related to an out-of-memory error that triggers a (1) use-after-free or (2) double free.

La configuración de IRQ en Xen 4.2.x y 4.3.x, utilizando passthrough de dispositivos y configurado para soportar un gran número de CPUs, libera cierta memoria que todavía puedan destinarse a su utilización, lo que permite a los administradores de los huéspedes locales provocar una denegación de servicio (corrupción de memoria y caída de hipervisor) y posiblemente ejecutar código arbitrario a través de vectores relacionados con un error de falta de memoria que provoca un fallo de (1) uso después de liberación o (2) doble liberación de memoria.

Multiple vulnerabilities have been found in Xen, the worst of which could lead to arbitrary code execution. Versions less than 4.3.2-r4 are affected.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2014-01-23 CVE Reserved
2014-01-26 CVE Published
2024-08-06 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-399: Resource Management Errors

CAPEC

References (11)

URL	Tag	Source
http://osvdb.org/102406	Vdb Entry
http://www.openwall.com/lists/oss-security/2014/01/23/4	Mailing List
http://www.securityfocus.com/bid/65097	Vdb Entry
http://www.securitytracker.com/id/1029679	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/90649	Vdb Entry

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127580.html	2018-01-03
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127607.html	2018-01-03
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html	2018-01-03
http://secunia.com/advisories/56557	2018-01-03
http://security.gentoo.org/glsa/glsa-201407-03.xml	2018-01-03
http://xenbits.xen.org/xsa/advisory-83.html	2018-01-03

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"				4.2.0 Search vendor "Xen" for product "Xen" and version "4.2.0"		-		Affected
Xen Search vendor "Xen"		Xen Search vendor "Xen" for product "Xen"				4.2.1 Search vendor "Xen" for product "Xen" and version "4.2.1"		-		Affected
Xen Search vendor "Xen"		Xen Search vendor "Xen" for product "Xen"				4.2.2 Search vendor "Xen" for product "Xen" and version "4.2.2"		-		Affected
Xen Search vendor "Xen"		Xen Search vendor "Xen" for product "Xen"				4.2.3 Search vendor "Xen" for product "Xen" and version "4.2.3"		-		Affected
Xen Search vendor "Xen"		Xen Search vendor "Xen" for product "Xen"				4.3.0 Search vendor "Xen" for product "Xen" and version "4.3.0"		-		Affected
Xen Search vendor "Xen"		Xen Search vendor "Xen" for product "Xen"				4.3.1 Search vendor "Xen" for product "Xen" and version "4.3.1"		-		Affected