Bug 693391 (CVE-2011-1486)

Summary: CVE-2011-1486 libvirt: error reporting in libvirtd is not thread safe
Product: [Other] Security Response Reporter: Petr Matousek <pmatouse>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: berrange, clalance, crobinso, eblake, itamar, jburke, jforbes, laine, libvirt-maint, veillard, virt-maint, vkrizan
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2015-07-29 14:20:34 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 689374, 690733, 693457, 693752, 693753    
Bug Blocks:    

Description Petr Matousek 2011-04-04 14:34:00 UTC 
Description of problem:
When several libvirtd threads are reporting errors at the same time,
the errors can get mixed or corrupted, potentially leading to a
libvirtd crash (DoS).

Upstream commit:
https://www.redhat.com/archives/libvir-list/2011-March/msg01087.html
Comment 1 Vincent Danen 2011-04-04 17:41:16 UTC 
This was assigned the CVE name CVE-2011-1486:

http://permalink.gmane.org/gmane.comp.security.oss.general/4749
Comment 2 Petr Matousek 2011-04-04 18:06:46 UTC 
Created libvirt tracking bugs for this issue

Affects: fedora-all [bug 693457]
Comment 5 Gurhan Ozen 2011-04-29 17:40:11 UTC 
Verified with libvirt-0.8.1-27.el6_0.6 :
# ./concurrent_errors $(pidof libvirtd) kvm-rhel6-x86_64
Attempting to connect to hypervisor
Connected to hypervisor at "qemu:///system"
Starting 5 threads
Watching libvirtd PID 4548

^C
#
Comment 6 errata-xmlrpc 2011-05-02 18:17:10 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2011:0478 https://rhn.redhat.com/errata/RHSA-2011-0478.html
Comment 7 errata-xmlrpc 2011-05-02 18:22:52 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2011:0479 https://rhn.redhat.com/errata/RHSA-2011-0479.html