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Category:   Application (Generic)  >   LVM2 Vendors:   Red Hat
LVM2 Missing Authentication in Cluster Local Volume Manager Lets Local Users Manage Volumes in the Cluster
SecurityTracker Alert ID:  1024258
SecurityTracker URL:  http://securitytracker.com/id/1024258
CVE Reference:   CVE-2010-2526   (Links to External Site)
Date:  Jul 29 2010
Impact:   Denial of service via local system, Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in LVM2. A local user can manage volumes in the cluster.

The cluster logical volume manager daemon (clvmd) does not verify the credentials of clients connecting to its control UNIX abstract socket. A local user can send control commands to clvmd to activate, deactivate, or reload any logical volume on the target system or on another system in the cluster.

Alasdair Kergon reported this vulnerability.

Impact:   A local user can activate, deactivate, or reload any logical volume on the target system or on another system in the cluster.
Solution:   The vendor has issued a source code fix, available at:

http://sources.redhat.com/cgi-bin/cvsweb.cgi/LVM2/?cvsroot=lvm2

Vendor URL:  sourceware.org/lvm2/ (Links to External Site)
Cause:   Authentication error
Underlying OS:   Linux (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jul 29 2010 (Red Hat Issues Fix) LVM2 Missing Authentication in Cluster Local Volume Manager Lets Local Users Manage Volumes in the Cluster   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 5.
Jul 29 2010 (Red Hat Issues Fix) LVM2 Missing Authentication in Cluster Local Volume Manager Lets Local Users Manage Volumes in the Cluster   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Global File System for Red Hat Enterprise Linux 4.



 Source Message Contents

Date:  Thu, 29 Jul 2010 02:44:09 +0000
Subject:  LVM2


CVE-2010-2526 lvm2-cluster: insecurity when communicating between lvm2 and clvmd


 
 


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