Linux Kernel up to 4.5.0 USB Device cypress_m8.c null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 4.5.0. The impacted element is an unknown function of the file drivers/usb/serial/cypress_m8.c of the component USB Device Handler. Performing a manipulation results in null pointer dereference. This vulnerability is known as CVE-2016-3137. Attacking locally is a requirement. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 4.5.0 (Operating System). This affects some unknown processing of the file drivers/usb/serial/cypress_m8.c of the component USB Device Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

drivers/usb/serial/cypress_m8.c in the Linux kernel before 4.5.1 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a USB device without both an interrupt-in and an interrupt-out endpoint descriptor, related to the cypress_generic_port_probe and cypress_open functions.

The weakness was published 05/02/2016 by Ralf Spenneberg (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2016-3137 since 03/13/2016. An attack has to be approached locally. Required for exploitation is a authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 90330 (Fedora 24 : kernel-4.5.0-302.fc24 (2016-81fd1b03aa)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196463 (Ubuntu Security Notification for Linux Vulnerabilities (USN-2965-1)).

Upgrading to version 4.5.1 eliminates this vulnerability. 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 Tenable (90330) and SecurityFocus (BID 84300†). Similar entries are available at VDB-81364, VDB-81365, VDB-81366 and VDB-81378. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.6
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 90330
Nessus Name: Fedora 24 : kernel-4.5.0-302.fc24 (2016-81fd1b03aa)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 830125
OpenVAS Name: Ubuntu Update for linux-raspi2 USN-2965-3
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.5.1
Patch: git.kernel.org

Timelineinfo

03/04/2016 🔍
03/13/2016 +9 days 🔍
04/02/2016 +20 days 🔍
04/05/2016 +3 days 🔍
05/02/2016 +27 days 🔍
05/02/2016 +0 days 🔍
05/03/2016 +1 days 🔍
07/27/2022 +2276 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: FEDORA-2016-81fd1b03aa
Researcher: Ralf Spenneberg
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-3137 (🔍)
GCVE (CVE): GCVE-0-2016-3137
GCVE (VulDB): GCVE-100-83145

OVAL: 🔍

SecurityFocus: 84300 - Linux Kernel 'usb/serial/cypress_m8.c' Null Pointer Deference Local Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 05/03/2016 11:26
Updated: 07/27/2022 19:33
Changes: 05/03/2016 11:26 (66), 11/07/2018 16:35 (16), 07/27/2022 19:24 (4), 07/27/2022 19:33 (1)
Complete: 🔍
Cache ID: 216:BD2:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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