Linux Kernel 3.2/3.7.1 Edgeport USB Serial Converter io_ti.c chase_port access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as problematic, was found in Linux Kernel 3.2/3.7.1 (Operating System). Affected is the function chase_port of the file drivers/usb/serial/io_ti.c of the component Edgeport USB Serial Converter. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on availability.

The weakness was disclosed 02/27/2013 by Wolfgang Frisch as not defined mailinglist post (oss-sec). The advisory is available at This vulnerability is traded as CVE-2013-1774 since 02/19/2013. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 66204 (CentOS 6 : kernel (CESA-2013:0744)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 166480 (OpenSuSE Security Update for kernel (openSUSE-SU-2013:0925-1)).

Upgrading to version 3.2.38 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (82455), Vulnerability Center (SBV-39438) and Tenable (66204). The entries 5583, 7907, 7908 and 7994 are pretty similar.






  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.2
VulDB Temp Score: 5.6
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Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept

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Nessus ID: 66204
Nessus Name: CentOS 6 : kernel (CESA-2013:0744)
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OpenVAS ID: 892668
OpenVAS Name: Debian Security Advisory DSA 2668-1 (linux-2.6 - privilege escalation/denial of service/information leak
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Threat Intelligenceinfo

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Recommended: Patch
Status: 🔍

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Upgrade: Kernel 3.2.38


01/18/2013 🔍
02/19/2013 +32 days 🔍
02/27/2013 +7 days 🔍
02/27/2013 +0 days 🔍
02/27/2013 +0 days 🔍
02/27/2013 +0 days 🔍
02/28/2013 +1 days 🔍
03/01/2013 +1 days 🔍
03/01/2013 +0 days 🔍
05/06/2013 +66 days 🔍
05/05/2021 +2921 days 🔍



Researcher: Wolfgang Frisch
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-1774 (🔍)

X-Force: 82455
Vulnerability Center: 39438 - Linux Kernel Before 3.7.4 Local DoS Vulnerability (CVE-2013-1774), Medium
SecurityFocus: 58202
Secunia: 52343 - Linux Kernel "chase_port()" USB Unplugging Denial of Service Vulnerability, Not Critical
OSVDB: 90678

scip Labs:
See also: 🔍


Created: 03/01/2013 09:23 AM
Updated: 05/05/2021 04:21 PM
Changes: 03/01/2013 09:23 AM (53), 04/28/2017 06:14 PM (32), 05/05/2021 04:14 PM (3), 05/05/2021 04:21 PM (1)
Complete: 🔍
Committer: olku


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