VDB-83136 · CVE-2015-4178 · OpenVAS 66615

Linux Kernel up to 4.0.4 fs/fs_pin.c null pointer dereference

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5.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 4.0.4 and classified as problematic. This impacts an unknown function of the file fs/fs_pin.c. The manipulation results in null pointer dereference. This vulnerability is identified as CVE-2015-4178. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 4.0.4 (Operating System). Affected is an unknown code of the file fs/fs_pin.c. 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 availability. CVE summarizes:

The fs_pin implementation in the Linux kernel before 4.0.5 does not ensure the internal consistency of a certain list data structure, which allows local users to cause a denial of service (system crash) by leveraging user-namespace root access for an MNT_DETACH umount2 system call, related to fs/fs_pin.c and include/linux/fs_pin.h.

The weakness was released 05/02/2016 (Website). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2015-4178 since 06/04/2015. The attack needs to be approached locally. A authentication is needed for exploitation. There are known technical details, but no exploit is available.

Upgrading to version 4.0.5 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-83140, VDB-83139, VDB-83138 and VDB-83137. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 66615
OpenVAS Name: Mageia Linux Local Check: mgasa-2015-0386
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.0.5
Patch: git.kernel.org

Timelineinfo

06/04/2015 🔍
05/02/2016 +333 days 🔍
05/02/2016 +0 days 🔍
05/03/2016 +1 days 🔍
07/27/2022 +2276 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 820f9f147dcce2602eefd9b575bbbd9ea14f0953
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-4178 (🔍)
GCVE (CVE): GCVE-0-2015-4178
GCVE (VulDB): GCVE-100-83136
See also: 🔍

Entryinfo

Created: 05/03/2016 11:24
Updated: 07/27/2022 17:44
Changes: 05/03/2016 11:24 (62), 11/07/2018 16:32 (3), 07/27/2022 17:44 (5)
Complete: 🔍
Cache ID: 216:404:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.