Xen 'GNTTABOP_swap_grant_ref' CVE-2012-3516 Denial of Service Vulnerability

Bugtraq ID:	55411
Class:	Failure to Handle Exceptional Conditions
CVE:	CVE-2012-3516
Remote:	No
Local:	Yes
Published:	Sep 05 2012 12:00AM
Updated:	Oct 02 2012 07:30PM
Credit:	Reported by the vendor.
Vulnerable:	SuSE SUSE Linux Enterprise Server 10 SP2 Citrix XenServer 4.1 Citrix XenServer 6.0 Citrix XenServer 5.6 SP2 Citrix XenServer 5.6 Feature Pack 1 Citrix XenServer 5.6 Common Criteria Citrix XenServer 5.6 Citrix XenServer 5.5 Citrix XenServer 5.0 Update 3 Citrix XenServer 5.0
Not Vulnerable:

Xen 'GNTTABOP_swap_grant_ref' CVE-2012-3516 Denial of Service Vulnerability

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

An attacker with access to a guest operating system or administrator can exploit this issue to crash the host operating system, effectively denying service to legitimate users. Due to the nature of this issue privilege escalation may be possible.

Xen 'GNTTABOP_swap_grant_ref' CVE-2012-3516 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 'GNTTABOP_swap_grant_ref' CVE-2012-3516 Denial of Service Vulnerability

Solution:
A vendor patch is available. Please see the references for more information.

Xen 'GNTTABOP_swap_grant_ref' CVE-2012-3516 Denial of Service Vulnerability

References:

• XenSource Homepage (XenSource)