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Date: Thu, 25 Nov 2010 13:40:46 +0800
From: Eugene Teo <>
CC: "Steven M. Christey" <>
Subject: CVE-2010-3699 xen: guest->host denial of service from invalid xenbus

A guest can cause the backend driver to leak a kernel thread. Such 
leaked threads hold references to the device, which makes the device 
impossible to tear down. If shut down, the guest remains a zombie 
domain, the xenwatch process hangs, and most xm commands will stop working.

Upstream commit:


Thanks, Eugene

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