CVE Database


Impact: Low
Public: 2013-01-18
Bugzilla: 916191: CVE-2013-1774 Kernel: USB io_ti driver NULL pointer dereference in routine chase_port


The MITRE CVE dictionary describes this issue as:

The chase_port function in drivers/usb/serial/io_ti.c in the Linux kernel before 3.7.4 allows local users to cause a denial of service (NULL pointer dereference and system crash) via an attempted /dev/ttyUSB read or write operation on a disconnected Edgeport USB serial converter.

Find out more about CVE-2013-1774 from the MITRE CVE dictionary and NIST NVD.


This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5.
This issue affects the version of Linux kernel as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise MRG 2 may address this issue.

CVSS v2 metrics

Base Score: 3.8
Base Metrics: AV:L/AC:H/Au:S/C:N/I:N/A:C
Access Vector: Local
Access Complexity: High
Authentication: Single Instance
Confidentiality Impact: None
Integrity Impact: None
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
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2013:0829 May 20, 2013
Red Hat Enterprise Linux version 6 (kernel) RHSA-2013:0744 April 23, 2013

External References

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.