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Case File

CVE-2021-3612

HIGH · CVSS 7.8 EPSS 0.69%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-09 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Linux.

CVE
CVE-2021-3612
Severity
HIGH
CVSS
7.8
EPSS
0.69%
Linux

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)