CVE-2020-14386

Severity CVSS v4.0:

Pending analysis

Type:

CWE-787 Out-of-bounds Write

Publication date:

16/09/2020

Last modified:

07/11/2023

Description

A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.

Impact

Vector 3.x

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

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

7.80

Severity 3.x

HIGH

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::::::::	4.6 (including)	4.9.239 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.10 (including)	4.14.201 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.150 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.64 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.8.8 (excluding)
cpe:2.3:o:linux:linux_kernel:5.9.0:rc1::::::
cpe:2.3:o:linux:linux_kernel:5.9.0:rc2::::::
cpe:2.3:o:linux:linux_kernel:5.9.0:rc3::::::
cpe:2.3:o:debian:debian_linux:9.0:::::::*
cpe:2.3:o:fedoraproject:fedora:33:::::::*
cpe:2.3:o:opensuse:leap:15.1:::::::*

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

CVE-2020-14386

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools