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.
https://www.oracle.com/security-alerts/cpujul2022.html
https://security.netapp.com/advisory/ntap-20210805-0005/
https://lore.kernel.org/linux-input/20210620120030.1513655-1-avlarkin82%40gmail.com/
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html