REDHAT-BUG-986383
First published: Fri Jul 19 2013(Updated: )
A part of the returned monitor response was freed twice and caused crashes of the daemon when using guest agent cpu count retrieval. A remote user able to issue commands to libvirt daemon could use this flaw to crash libvirtd or, potentially, escalate their privilages to that of libvirtd process. References: <a class="bz_bug_link bz_status_CLOSED bz_closed bz_public " title="CLOSED ERRATA - Crash of libvirtd without guest agent configuration" href="show_bug.cgi?id=984821">https://bugzilla.redhat.com/show_bug.cgi?id=984821</a> <a href="https://www.redhat.com/archives/libvir-list/2013-July/msg01035.html">https://www.redhat.com/archives/libvir-list/2013-July/msg01035.html</a> Acknowledgements: This issue was discovered by Petr Krempa of Red Hat.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libvirt |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=984821
- https://www.redhat.com/archives/libvir-list/2013-July/msg01035.html
- http://libvirt.org/git/?p=libvirt.git;a=commit;h=dfc692350a04a70b4ca65667c30869b3bfdaf034
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=986408
- https://bugzilla.redhat.com/show_bug.cgi?id=986383
Frequently Asked Questions
What is the severity of REDHAT-BUG-986383?
The severity of REDHAT-BUG-986383 is considered to be high due to the potential for crashes and privilege escalation.
How do I fix REDHAT-BUG-986383?
To fix REDHAT-BUG-986383, users should apply the latest security patches provided by Red Hat for the libvirt package.
Who is affected by REDHAT-BUG-986383?
Users running the affected versions of Red Hat libvirt are at risk of experiencing crashes or privilege escalation due to REDHAT-BUG-986383.
What are the potential impacts of REDHAT-BUG-986383?
The potential impacts of REDHAT-BUG-986383 include system crashes of the libvirt daemon and possible unauthorized privilege escalation.
Is there a workaround for REDHAT-BUG-986383?
Currently, there are no specific workarounds for REDHAT-BUG-986383 other than applying the recommended patches.
- collector/redhat-bugzilla
- alias/CVE-2013-4153
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- agent/severity
- agent/references
- agent/description
- agent/event
- agent/softwarecombine
- agent/tags
- agent/guess-ai
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/red hat
- canonical/libvirt