CVE-2018-20169

Severity CVSS v4.0:

Pending analysis

Type:

CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')

Publication date:

17/12/2018

Last modified:

04/03/2024

Description

An issue was discovered in the Linux kernel before 4.19.9. The USB subsystem mishandles size checks during the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c.

Impact

Vector 3.x

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

6.80

Severity 3.x

MEDIUM

Vector 2.0

AV:L/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0

7.20

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::		3.16.63 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.17 (including)	3.18.129 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.19 (including)	4.4.167 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.5 (including)	4.9.145 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.10 (including)	4.14.88 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.9 (excluding)
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
cpe:2.3:o:debian:debian_linux:8.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2018-20169

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools