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Category:   Application (Generic)  >   libvirt Vendors:
libvirt virKeepAliveStart Connection State Error Lets Remote Users Deny Service
SecurityTracker Alert ID:  1029695
SecurityTracker URL:
CVE Reference:   CVE-2014-1447   (Links to External Site)
Date:  Jan 29 2014
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): prior to 1.2.1
Description:   A vulnerability was reported in libvirt. A remote user can cause denial of service conditions.

A remote user can request a keepalive and then exit without waiting for the reply from the server to trigger a flaw in virKeepAliveStart() and cause the target libvirtd service to crash.

Jiri Denemark reported this vulnerability.

Impact:   A remote user can cause the target service to crash.
Solution:   The vendor has issued a fix (1.2.1) [in January 2014].

The vendor's advisory is available at:

Vendor URL: (Links to External Site)
Cause:   State error
Underlying OS:   Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jan 29 2014 (Red Hat Issues Fix) libvirt virKeepAliveStart Connection State Error Lets Remote Users Deny Service   (
Red Hat has issued a fix for Red Hat Enterprise Linux 6.

 Source Message Contents

Date:  Wed, 29 Jan 2014 06:41:51 +0000
Subject:  libvirt



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