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Category:   Application (Generic)  >   Citrix XenServer Vendors:   Citrix
(Citrix Issues Fix for XenServer) Xen Memory Mapping Bug Lets Local Guest Administrative Users Deny Service
SecurityTracker Alert ID:  1027766
SecurityTracker URL:  http://securitytracker.com/id/1027766
CVE Reference:   CVE-2012-4537   (Links to External Site)
Date:  Nov 14 2012
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): XenServer 5.0 Update 3, 5.5, 5.6, 5.6 Common Criteria, 5.6 FP 1, 5.6 SP 2, 6.0, 6.0.2, 6.0.2 Common Criteria, 6.1.0
Description:   A vulnerability was reported in Xen. A local administrative user on the guest operating system can cause denial of service conditions on the target host operating system. Citrix XenServer is affected.

A local user with administrative privileges on the guest operating system can exhaust memory reserved for the p2m table and cause Xen to crash.

Only systems running HVM guests are affected.

Impact:   A local administrative user on the guest operating system can cause Xen to crash.
Solution:   Citrix has issued a fix for Citrix XenServer.

The Citrix advisory is available at:

http://support.citrix.com/article/CTX135458

Vendor URL:  xen.org/ (Links to External Site)
Cause:   Resource error

Message History:   This archive entry is a follow-up to the message listed below.
Nov 14 2012 Xen Memory Mapping Bug Lets Local Guest Administrative Users Deny Service



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