CVE-2020-28974

Published Nov 20, 2020

Last updated 4 years ago

Overview

Description
A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KD_FONT_OP_COPY in drivers/tty/vt/vt.c can be used for manipulations such as font height.
Source
cve@mitre.org
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
5
Impact score
4.7
Exploitability score
0.3
Vector string
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:L/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

nvd@nist.gov
CWE-125

Social media

Hype score
Not currently trending

Configurations