CVE-2021-3612

 

Published at: - 09-07-2021 01:15

Last modified: - 11-01-2023 06:10

Total changes: - 14

Description

An out-of-bounds memory write flaw was found in the Linux kernel's joystick devices subsystem in versions before 5.9-rc1, in the way the user calls ioctl JSIOCSBTNMAP. This flaw allows a local user to crash the system or possibly escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://lore.kernel.org/linux-input/20210620120030.1513655-1-avlarkin82@gmail.com/
• https://bugzilla.redhat.com/show_bug.cgi?id=1974079
• FEDORA-2021-a95108d156-Mailing List, Third Party Advisory
• https://security.netapp.com/advisory/ntap-20210805-0005/
• [debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update-Mailing List, Third Party Advisory
• [debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update-Mailing List, Third Party Advisory
• N/A-Patch, Third Party Advisory

 

Keywords

NVD

 

CVE-2021-3612

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures