Public Date:
893450: CVE-2013-0170 libvirt: use-after-free in virNetMessageFree()

The MITRE CVE dictionary describes this issue as:

Use-after-free vulnerability in the virNetMessageFree function in rpc/virnetserverclient.c in libvirt 1.0.x before 1.0.2, 0.10.2 before, 0.9.11 before, and 0.9.6 before allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by triggering certain errors during an RPC connection, which causes a message to be freed without being removed from the message queue.

Find out more about CVE-2013-0170 from the MITRE CVE dictionary dictionary and NIST NVD.


Not vulnerable. This issue did not affect the versions of libvirt as shipped with Red Hat Enterprise Linux 5.

CVSS v2 metrics

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

Base Score 6.8
Base Metrics AV:A/AC:H/Au:N/C:C/I:C/A:C
Access Vector Adjacent Network
Access Complexity High
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

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-2013:0199 2013-01-28

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 libvirt Not affected


This issue was discovered by Tingting Zheng of Red Hat.