CVE-2020-25643

Published Oct 6, 2020

Last updated a year ago

Overview

Description
A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Source
secalert@redhat.com
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
7.2
Impact score
5.9
Exploitability score
1.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
7.5
Impact score
8.5
Exploitability score
6.8
Vector string
AV:N/AC:M/Au:S/C:P/I:P/A:C

Weaknesses

secalert@redhat.com
CWE-20
nvd@nist.gov
CWE-20

Social media

Hype score
Not currently trending

Configurations