Linux Kernel up to 4.10.3 TTY omninet.c omninet_open resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Linux Kernel up to 4.10.3. The impacted element is the function omninet_open of the file drivers/usb/serial/omninet.c of the component TTY. Executing a manipulation can lead to resource management. This vulnerability appears as CVE-2017-8925. The attack requires local access. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 4.10.3 (Operating System) and classified as problematic. This vulnerability affects the function omninet_open of the file drivers/usb/serial/omninet.c of the component TTY. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

The omninet_open function in drivers/usb/serial/omninet.c in the Linux kernel before 4.10.4 allows local users to cause a denial of service (tty exhaustion) by leveraging reference count mishandling.

The bug was discovered 05/12/2017. The weakness was presented 05/12/2017 as confirmed git commit (GIT Repository). The advisory is available at git.kernel.org. This vulnerability was named CVE-2017-8925 since 05/12/2017. Local access is required to approach this attack. The requirement for exploitation is a single authentication. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 100876 (Debian DLA-993-2 : linux regression update (Stack Clash)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176063 (Debian Security Update for Linux Kernel (DSA 3886-1) (Stack Clash)).

Upgrading to version 4.10.4 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100876) and SecurityFocus (BID 98462†). See VDB-101217, VDB-101174, VDB-101233 and VDB-101819 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100876
Nessus Name: Debian DLA-993-2 : linux regression update (Stack Clash)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703886
OpenVAS Name: Debian Security Advisory DSA 3886-1 (linux - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Kernel 4.10.4
Patch: git.kernel.org

Timelineinfo

05/12/2017 🔍
05/12/2017 +0 days 🔍
05/12/2017 +0 days 🔍
05/12/2017 +0 days 🔍
05/12/2017 +0 days 🔍
05/13/2017 +1 days 🔍
06/20/2017 +38 days 🔍
06/27/2017 +7 days 🔍
12/06/2022 +1988 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 30572418b445d85fcfe6c8fe84c947d2606767d8
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-8925 (🔍)
GCVE (CVE): GCVE-0-2017-8925
GCVE (VulDB): GCVE-100-101218

OVAL: 🔍

SecurityFocus: 98462
OSVDB: - CVE-2017-8925 - Linux - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 05/13/2017 08:45
Updated: 12/06/2022 12:43
Changes: 05/13/2017 08:45 (81), 09/26/2020 11:51 (6), 12/06/2022 12:43 (4)
Complete: 🔍
Cache ID: 216::103

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