CVE-2020-25656

Published Dec 2, 2020

Last updated 2 years ago

Overview

Description
A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality.
Source
secalert@redhat.com
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
4.1
Impact score
3.6
Exploitability score
0.5
Vector string
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
1.9
Impact score
2.9
Exploitability score
3.4
Vector string
AV:L/AC:M/Au:N/C:P/I:N/A:N

Weaknesses

secalert@redhat.com
CWE-416
nvd@nist.gov
CWE-416

Social media

Hype score
Not currently trending

Configurations