Public Date:
844734: CVE-2012-3445 libvirt: crash in virTypedParameterArrayClear

The MITRE CVE dictionary describes this issue as:

The virTypedParameterArrayClear function in libvirt 0.9.13 does not properly handle virDomain* API calls with typed parameters, which might allow remote authenticated users to cause a denial of service (libvirtd crash) via an RPC command with nparams set to zero, which triggers an out-of-bounds read or a free of an invalid pointer.

Find out more about CVE-2012-3445 from the MITRE CVE dictionary dictionary and NIST NVD.


The versions of libvirt as shipped with Red Hat Enterprise Linux 5 are not affected. Future libvirt updates for Red Hat Enterprise Linux 6 may address this flaw.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 3.3
Base Metrics AV:A/AC:L/Au:N/C:N/I:N/A:P
Access Vector Adjacent Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux version 6 (libvirt) RHSA-2012:1202 2012-08-23

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 libvirt Not affected