CVE-2011-3262

xen: insufficiencies in pv kernel image validation

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

tools/libxc/xc_dom_bzimageloader.c in Xen 3.2, 3.3, 4.0, and 4.1 allows local users to cause a denial of service (management software infinite loop and management domain resource consumption) via unspecified vectors related to "Lack of error checking in the decompression loop."

tools/libxc/xc_dom_bzimageloader.c en Xen v3.2, v3.3, v4.0 y v4.1 permite a usuarios locales provocar una denegación de servicio (bucle infinito de software de gestión y excesivo consumo de recursos en el administrador de dominios) a través de vectores no especificados relacionados con "La falta de comprobación de errores en el bucle de descompresión".

Multiple vulnerabilities have been found in Xen, allowing attackers on a Xen Virtual Machine to execute arbitrary code, cause Denial of Service, or gain access to data on the host. Versions less than 4.2.2-r1 are affected.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

Attack Vector

Local

Attack Complexity

High

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-08-19 CVE Reserved
2011-08-19 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 (7)

URL	Tag	Source
http://secunia.com/advisories/55082	Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/69381	Vdb Entry

URL	Date	SRC

URL	Date	SRC
http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00483.html	2017-08-29
http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00491.html	2017-08-29

URL	Date	SRC
http://security.gentoo.org/glsa/glsa-201309-24.xml	2017-08-29
https://access.redhat.com/security/cve/CVE-2011-3262	2011-05-09
https://bugzilla.redhat.com/show_bug.cgi?id=696927	2011-05-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Citrix Search vendor "Citrix"		Xen Search vendor "Citrix" for product "Xen"				3.2.0 Search vendor "Citrix" for product "Xen" and version "3.2.0"		-		Affected
Citrix Search vendor "Citrix"		Xen Search vendor "Citrix" for product "Xen"				3.3.0 Search vendor "Citrix" for product "Xen" and version "3.3.0"		-		Affected
Citrix Search vendor "Citrix"		Xen Search vendor "Citrix" for product "Xen"				4.0.0 Search vendor "Citrix" for product "Xen" and version "4.0.0"		-		Affected
Citrix Search vendor "Citrix"		Xen Search vendor "Citrix" for product "Xen"				4.1.0 Search vendor "Citrix" for product "Xen" and version "4.1.0"		-		Affected