kernel: Use-after-free in sound/usb/card.c:usb_audio_probe()

A flaw was found In the Linux kernel, through version 4.19.6, where a local user could exploit a use-after-free in the ALSA driver by supplying a malicious USB Sound device with zero interfaces that is mishandled in usbaudioprobe in sound/usb/card.c. An attacker could corrupt memory and possibly...