Xen 'vbd_create()' Denial of Service Vulnerability

Bugtraq ID:	45795
Class:	Design Error
CVE:	CVE-2010-4238
Remote:	No
Local:	Yes
Published:	Jan 13 2011 12:00AM
Updated:	Oct 13 2011 06:31PM
Credit:	Eugene Teo
Vulnerable:	XenSource Xen 3.1.2 VMWare ESX 4.1 VMWare ESX 4.0 Ubuntu Ubuntu Linux 8.04 LTS sparc Ubuntu Ubuntu Linux 8.04 LTS powerpc Ubuntu Ubuntu Linux 8.04 LTS lpia Ubuntu Ubuntu Linux 8.04 LTS i386 Ubuntu Ubuntu Linux 8.04 LTS amd64 Red Hat Enterprise Linux Desktop 5 client Red Hat Enterprise Linux 5 Server OpenVZ Project OpenVZ 028stab081.1 Avaya Voice Portal 5.1 Avaya Voice Portal 5.1 Avaya Voice Portal 5.0 SP2 Avaya Voice Portal 5.0 SP1 Avaya Voice Portal 5.0 Avaya IQ 5.1 Avaya IQ 5 Avaya IP Office Application Server 6.1 Avaya Communication Server 1000M Signaling Server 7.5 Avaya Communication Server 1000M Signaling Server 7.0 Avaya Communication Server 1000M Signaling Server 6.0 Avaya Communication Server 1000M 7.5 Avaya Communication Server 1000M 7.0 Avaya Communication Server 1000M 6.0 Avaya Communication Server 1000E Signaling Server 7.5 Avaya Communication Server 1000E Signaling Server 7.0 Avaya Communication Server 1000E Signaling Server 6.0 Avaya Communication Server 1000E 7.5 Avaya Communication Server 1000E 7.0 Avaya Communication Server 1000E 6.0 Avaya Aura System Manager 6.1 Avaya Aura System Manager 6.0 SP1 Avaya Aura System Manager 6.0 Avaya Aura System Manager 5.2 Avaya Aura Session Manager 6.1 Avaya Aura Session Manager 6.0 SP1 Avaya Aura Session Manager 6.0 Avaya Aura Session Manager 5.2 SP2 Avaya Aura Session Manager 5.2 SP1 Avaya Aura Session Manager 5.2 Avaya Aura Session Manager 1.1 Avaya Aura Session Manager 1.0 Avaya Aura Presence Services 6.1 Avaya Aura Presence Services 6.0 Avaya Aura Conferencing 6.0 Standard Avaya Aura Conferencing 6.0 SP1 Standard Avaya Aura Communication Manager Utility Services 6.0 + Avaya Communication Manager Server DEFINITY Server SI/CS + Avaya Communication Manager Server S8100 + Avaya Communication Manager Server S8300 + Avaya Communication Manager Server S8500 + Avaya Communication Manager Server S8700 Avaya Aura Communication Manager 6.0.1 + Avaya Communication Manager Server DEFINITY Server SI/CS + Avaya Communication Manager Server S8100 + Avaya Communication Manager Server S8300 + Avaya Communication Manager Server S8500 + Avaya Communication Manager Server S8700 Avaya Aura Communication Manager 6.0 + Avaya Communication Manager Server DEFINITY Server SI/CS + Avaya Communication Manager Server S8100 + Avaya Communication Manager Server S8300 + Avaya Communication Manager Server S8500 + Avaya Communication Manager Server S8700 Avaya Aura Communication Manager 5.2 + Avaya Communication Manager Server DEFINITY Server SI/CS + Avaya Communication Manager Server S8100 + Avaya Communication Manager Server S8300 + Avaya Communication Manager Server S8500 + Avaya Communication Manager Server S8700 Avaya Aura Application Server 2.1 Avaya Aura Application Server 2.0 Avaya Aura Application Enablement Services 5.2.1 Avaya Aura Application Enablement Services 6.1 Avaya Aura Application Enablement Services 5.2
Not Vulnerable:	OpenVZ Project OpenVZ 028stab085.2

Xen 'vbd_create()' Denial of Service Vulnerability

Xen is prone to a denial-of-service vulnerability.

Attackers can exploit this issue to cause the host system to crash, denying service to legitimate users.

Xen 'vbd_create()' Denial of Service Vulnerability

Attackers requires local interactive access to exploit this issue.

Xen 'vbd_create()' Denial of Service Vulnerability

Solution:
Updates are available. Please see the references for more information.

Xen 'vbd_create()' Denial of Service Vulnerability

References:

• Download/kernel/rhel5/028stab085.2 (OpenVZ)
  
• XenSource Homepage (XenSource)
  
• ASA-2011-046 Red Hat Enterprise Linux 5.6 kernel security and bug fix update (RH (Avaya)
  
• Bug 655623 - (CVE-2010-4238) CVE-2010-4238 kernel: Xen Dom0 crash with Windows 2 (Red Hat)