In the Linux kernel before 4.16.4, a double free vulnerability in the f_midi_set_alt function of drivers/usb/gadget/function/f_midi.c in the f_midi driver may allow attackers to cause a denial of service or possibly have unspecified other impact. CREATE(Triage): {Link=https://nvd.nist.gov/vuln/detail/CVE-2018-20961 User=admin}