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.

CVE-2020-13974 Detail

Description

An issue was discovered in the Linux kernel 4.4 through 5.7.1. drivers/tty/vt/keyboard.c has an integer overflow if k_ascii is called several times in a row, aka CID-b86dab054059. NOTE: Members in the community argue that the integer overflow does not lead to a security issue in this case.


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/2020-07/msg00008.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html Mailing List  Third Party Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=dad0bf9ce93fa40b667eccd3306783f4db4b932b Vendor Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b86dab054059b970111b5516ae548efaae5b3aae Patch  Vendor Advisory 
https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html Mailing List  Third Party Advisory 
https://lkml.org/lkml/2020/3/22/482 Exploit  Vendor Advisory 
https://usn.ubuntu.com/4427-1/ Third Party Advisory 
https://usn.ubuntu.com/4439-1/ Third Party Advisory 
https://usn.ubuntu.com/4440-1/ Third Party Advisory 
https://usn.ubuntu.com/4483-1/ Third Party Advisory 
https://usn.ubuntu.com/4485-1/ Third Party Advisory 
https://www.oracle.com/security-alerts/cpujul2022.html Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-190 Integer Overflow or Wraparound cwe source acceptance level NIST  

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

14 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-13974
NVD Published Date:
06/09/2020
NVD Last Modified:
02/24/2023
Source:
MITRE