Xen 'fixup_page_fault()' Denial of Service Vulnerability

Bugtraq ID:	45099
Class:	Design Error
CVE:	CVE-2010-4255
Remote:	No
Local:	Yes
Published:	Nov 30 2010 12:00AM
Updated:	Mar 19 2015 09:10AM
Credit:	The vendor reported this issue.
Vulnerable:	XenSource Xen 3.3.1 XenSource Xen 3.3 XenSource Xen 3.2 XenSource Xen 3.1.2 XenSource Xen 3.1.1 XenSource Xen 3.0.3 XenSource Xen 4.0 XenSource Xen 3.0 VMWare ESX 4.1 VMWare ESX 4.0 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 'fixup_page_fault()' Denial of Service Vulnerability

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

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

Xen 'fixup_page_fault()' Denial of Service Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Xen 'fixup_page_fault()' Denial of Service Vulnerability

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

Xen 'fixup_page_fault()' Denial of Service Vulnerability

References:

• [Xen-devel] [PATCH] x86-64: don't crash Xen upon direct pv guest access (XenSource)
  
• Download/kernel/rhel5/028stab085.2 (OpenVZ)
  
• Xen Project Homepage (Xen Project)
  
• ASA-2011-046 Red Hat Enterprise Linux 5.6 kernel security and bug fix update (RH (Avaya)