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Category:   Application (Generic)  >   Citrix XenServer Vendors:   Citrix
(Citrix Issues Fix for XenServer) Xen AMD IOMMU Interrupt Remapping Table Bugs Let Local Guest Systems Deny Service
SecurityTracker Alert ID:  1028235
SecurityTracker URL:  http://securitytracker.com/id/1028235
CVE Reference:   CVE-2013-0153   (Links to External Site)
Date:  Mar 2 2013
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 6.1 and prior versions
Description:   A vulnerability was reported in Xen. A local user on a guest operating system can cause denial of service conditions on the host. Citrix XenServer is affected.

A local user on a guest operating system that has a passed-through, bus mastering PCI device can inject interrupts into other guest systems or the host operating system.

The vulnerability resides in the Xen AMD IOMMU code.

Only systems using AMD-Vi for PCI passthrough are affected.

Impact:   A local user on a guest operating system can cause denial of service conditions on the target host operating system.
Solution:   Citrix has issued a fix for Citrix XenServer.

The Citrix advisory is available at:

http://support.citrix.com/article/CTX136540

Vendor URL:  support.citrix.com/article/CTX136540 (Links to External Site)
Cause:   Access control error

Message History:   This archive entry is a follow-up to the message listed below.
Mar 2 2013 Xen AMD IOMMU Interrupt Remapping Table Bugs Let Local Guest Systems Deny Service



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