Linux Kernel race condition

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel. It has been declared as problematic. The affected element is an unknown function. Such manipulation leads to race condition. This vulnerability is documented as CVE-2014-8086. There is not any exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in Linux Kernel (Operating System) (version now known) and classified as problematic. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a race condition vulnerability. Using CWE to declare the problem leads to CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. Impacted is availability.

The weakness was released 10/09/2014 by Sasha Levin (Website). The advisory is available at lkml.org. This vulnerability is handled as CVE-2014-8086 since 10/09/2014. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 78610 (Fedora 21 : kernel-3.17.1-302.fc21 (2014-13222)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155288 (Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2015-3064)).

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at X-Force (96922), Tenable (78610), SecurityFocus (BID 70376†) and Vulnerability Center (SBV-46430†). spinics.net is providing further details. Entries connected to this vulnerability are available at VDB-68567 and VDB-75694. 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: 5.5
VulDB Meta Temp Score: 5.1

VulDB Base Score: 6.2
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.7
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 78610
Nessus Name: Fedora 21 : kernel-3.17.1-302.fc21 (2014-13222)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 867487
OpenVAS Name: Fedora Update for kernel FEDORA-2014-17283
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/09/2014 🔍
10/09/2014 +0 days 🔍
10/09/2014 +0 days 🔍
10/09/2014 +0 days 🔍
10/13/2014 +4 days 🔍
10/13/2014 +0 days 🔍
10/14/2014 +1 days 🔍
10/22/2014 +8 days 🔍
02/21/2022 +2679 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: RHSA-2015:0290
Researcher: Sasha Levin
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-8086 (🔍)
GCVE (CVE): GCVE-0-2014-8086
GCVE (VulDB): GCVE-100-67766

OVAL: 🔍

X-Force: 96922 - Linux Kernel ext4/file.c denial of service, Medium Risk
SecurityFocus: 70376 - Linux Kernel 'ext4/file.c' Local Denial of Service Vulnerability
Vulnerability Center: 46430 - Linux Kernel through 3.17 Local DoS due to Race Condition in the Ext4_file_write_iter Function - CVE-2014-8086, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 10/13/2014 10:18
Updated: 02/21/2022 15:28
Changes: 10/13/2014 10:18 (75), 06/08/2017 10:25 (2), 02/21/2022 15:17 (4), 02/21/2022 15:22 (11), 02/21/2022 15:28 (1)
Complete: 🔍
Cache ID: 216:396:103

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