Bug 980112 - (CVE-2013-2218) CVE-2013-2218 libvirt: virConnectListAllInterfaces crash
CVE-2013-2218 libvirt: virConnectListAllInterfaces crash
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
All Linux
high Severity high
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Assigned To: Red Hat Product Security
: Security
Depends On: 980118
Blocks: 980122
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Reported: 2013-07-01 09:05 EDT by Petr Matousek
Modified: 2013-07-01 09:15 EDT (History)
12 users (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2013-07-01 09:15:02 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Petr Matousek 2013-07-01 09:05:00 EDT
Daniel P. Berrange reported:

"As non-root, simply run:

  # virsh -c qemu:///system --readonly iface-list --inactive                                                                                                                                                   

The libvirtd daemon will crash with one of a number of different
stack traces, for example:

*** Error in `/home/berrange/src/virt/libvirt/daemon/.libs/lt-libvirtd': invalid fastbin entry (free): 0x00007f03fc02a1b0 ***
======= Backtrace: =========

Looking at the code, we have a double-free of the 'struct netcf_if'
object when any of the filtering flags are set. Hence this only
happens if you pass  '--inactive' to virsh."

Upstream fix:



This issue was discovered by Daniel P. Berrange of Red Hat.
Comment 1 Petr Matousek 2013-07-01 09:08:11 EDT

Not vulnerable.

This issue did not affect the versions of libvirt package as shipped with Red Hat Enterprise Linux 5 and 6.
Comment 2 Petr Matousek 2013-07-01 09:08:58 EDT
Created libvirt tracking bugs for this issue:

Affects: fedora-all [bug 980118]

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