A vulnerability was found in Linux Kernel up to 4.14.10. It has been declared as problematic. Affected by this vulnerability is an unknown function of the file drivers/tty/n_tty.c of the component Pseudo Terminal. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. As an impact it is known to affect availability.

The weakness was disclosed 10/17/2018. This vulnerability is known as CVE-2018-18386 since 10/16/2018. An attack has to be approached locally. A single authentication is required for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/18/2018).

Upgrading to version 4.14.11 eliminates this vulnerability.

The entries 125740 are pretty similar.

CPE

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CVSSv3

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

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

CVSSv2

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

Exploiting

Class: Denial of service (CWE-404)
Local: Yes
Remote: No

Availability: No

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligence

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Actions: 🔍

Countermeasures

Recommended: Upgrade
Status: Official fix
0-Day Time: 🔒

Upgrade: Kernel 4.14.11

Timeline

10/16/2018 CVE assigned
10/17/2018 Advisory disclosed
10/18/2018 VulDB entry created
10/18/2018 VulDB last update

Sources

CVE: CVE-2018-18386 (🔒)
See also: 🔒

Entry

Created: 10/18/2018
Complete: 🔍

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