CVE-2026-64489 ALSA: ymfpci: check snd_ctl_new1() return value

In the Linux kernel, the following vulnerability has been resolved: ALSA: ymfpci: check sndctlnew1 return value sndctlnew1 can return NULL when memory allocation fails. sndymfpcicreatespdifcontrols does not check the return value before dereferencing kctl-id.device, which can lead to a NULL point...