U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2020-25643 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html Mailing List  Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1879981 Issue Tracking  Patch  Third Party Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=66d42ed8b25b64eb63111a2b8582c5afc8bf1105 Mailing List  Patch  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List  Third Party Advisory 
https://security.netapp.com/advisory/ntap-20201103-0002/ Third Party Advisory 
https://www.debian.org/security/2020/dsa-4774 Third Party Advisory 
https://www.starwindsoftware.com/security/sw-20210325-0002/ Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-20 Improper Input Validation cwe source acceptance level NIST   Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

12 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-25643
NVD Published Date:
10/06/2020
NVD Last Modified:
05/16/2023
Source:
Red Hat, Inc.