CVE-2025-39828 atm: atmtcp: Prevent arbitrary write in atmtcp_recv_control().

In the Linux kernel, the following vulnerability has been resolved: atm: atmtcp: Prevent arbitrary write in atmtcprecvcontrol. syzbot reported the splat below. 0 When atmtcpvopen or atmtcpvclose is called via connect or close, atmtcpsendcontrol is called to send an in-kernel special message. The...