CVE-2021-31916

Published May 6, 2021

Last updated 3 years ago

Overview

Description
An out-of-bounds (OOB) memory write flaw was found in list_devices in drivers/md/dm-ioctl.c in the Multi-device driver module in the Linux kernel before 5.12. A bound check failure allows an attacker with special user (CAP_SYS_ADMIN) privilege to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.
Source
secalert@redhat.com
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
6.7
Impact score
5.9
Exploitability score
0.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
6.1
Impact score
8.5
Exploitability score
3.9
Vector string
AV:L/AC:L/Au:N/C:P/I:P/A:C

Weaknesses

secalert@redhat.com
CWE-787

Social media

Hype score
Not currently trending

Configurations