vulnerability
Red Hat: CVE-2021-3612: CVE-2021-3612 kernel: joydev: zero size passed to joydev_handle_JSIOCSBTNMAP() (Multiple Advisories)
Severity | CVSS | Published | Added | Modified |
---|---|---|---|---|
7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Jul 9, 2021 | May 13, 2022 | Jul 9, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Jul 9, 2021
Added
May 13, 2022
Modified
Jul 9, 2025
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.
Solution(s)
no-fix-redhat-rpm-packageredhat-upgrade-kernelredhat-upgrade-kernel-rt

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