CVE-2020-10757

Severity CVSS v4.0:

Pending analysis

Type:

CWE-119 Buffer Errors

Publication date:

09/06/2020

Last modified:

19/01/2024

Description

A flaw was found in the Linux Kernel in versions after 4.5-rc1 in the way mremap handled DAX Huge Pages. This flaw allows a local attacker with access to a DAX enabled storage to escalate their privileges on the system.

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:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.90 MEDIUM
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

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

Base Score 2.0

6.90

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	4.5 (including)	4.9.227 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.10 (including)	4.14.184 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.127 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.45 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.6.17 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.7 (including)	5.7.1 (excluding)
cpe:2.3:o:opensuse:leap:15.1:::::::*
cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
cpe:2.3:o:redhat:enterprise_mrg:2.0:::::::*
cpe:2.3:o:fedoraproject:fedora:31:::::::*
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:20.04::::lts:::

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

CVE-2020-10757

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools