In the Linux kernel, the following vulnerability has been resolved:

ALSA: cmipci: check snd_ctl_new1() return value

snd_ctl_new1() can return NULL when memory allocation fails.
snd_cmipci_spdif_controls() does not check the return value before
dereferencing kctl->id.device, which can lead to a NULL pointer
dereference.

Add NULL checks after snd_ctl_new1() calls and return -ENOMEM if any
fails.

https://git.kernel.org/stable/c/4dd5b0b1a52a8d6e59a3f217204817228ce0238b

https://git.kernel.org/stable/c/67e9ea92cd598cba1783ff701553c776a6cedee9

https://git.kernel.org/stable/c/8825a06bfa7932a7a74dec01669d405df0b47286

https://git.kernel.org/stable/c/af2b009b773bc42995546507963e5e78970dc3ed

https://git.kernel.org/stable/c/b44888c33c4f11277d0e5e023338f2740232a4ed

https://git.kernel.org/stable/c/c205bd1b28fb7e5f1061a4e78813fad7d315cb3e

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