VULNERABILITY INTELLIGENCE

CVE-2020-25643

CVSS score7.2 HIGH
EPSS probability3.29%
CISA KEVNot currently listed
Published2020-10-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references