netfilter: xtIDLETIMER: fix panic that occurs when timertype has garbage value
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15 by commit 902c0b1887522a099aa4e1e6b4b476c2fe5dd13e, it was introduced in version v5.7 by commit 68983a354a655c35d3fb204489d383a2a051fda7. For more details please see the references link.