CVE-2021-3612

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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://lore.kernel.org/linux-input/20210620120030.1513655-1-avlarkin82@gmail.com/	Exploit Mailing List Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1974079	Issue Tracking Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YKGI562LFV5MESTMVTCG5RORSBT6NGBN/	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20210805-0005/	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html	Mailing List Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel:5.9.0:-::::::
	cpe:2.3:o:linux:linux_kernel::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*

Configuration 3 (hide)

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 4 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Information

Published : 2021-07-09 11:15

Updated : 2022-07-25 18:16

NVD link : CVE-2021-3612

Mitre link : CVE-2021-3612

JSON object : View

Products Affected

linux

linux_kernel

debian

debian_linux

fedoraproject

fedora

redhat

enterprise_linux

CWE

CWE-787

Out-of-bounds Write

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