Executive Summary

Informations
Name CVE-2021-3612 First vendor Publication 2021-07-09
Vendor Cve Last vendor Modification 2021-09-20

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3612

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer
50 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 1
Os 3376
Os 2

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20210805-0005/
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
MISC https://bugzilla.redhat.com/show_bug.cgi?id=1974079
https://lore.kernel.org/linux-input/20210620120030.1513655-1-avlarkin82@gmail...

Alert History

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Date Informations
2021-09-20 21:23:31
  • Multiple Updates
2021-08-26 12:43:35
  • Multiple Updates
2021-08-24 01:44:05
  • Multiple Updates
2021-08-19 12:44:25
  • Multiple Updates
2021-08-05 17:22:58
  • Multiple Updates
2021-08-05 01:43:16
  • Multiple Updates
2021-07-21 21:23:14
  • Multiple Updates
2021-07-14 00:22:47
  • Multiple Updates
2021-07-09 17:22:45
  • First insertion