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

ALSA: ymfpci: check snd_ctl_new1() return value

snd_ctl_new1() can return NULL when memory allocation fails.
snd_ymfpci_create_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/02f33c2062c75e28abc7ad58ce86451cf3140455

https://git.kernel.org/stable/c/18ec7d7785be7a4ee8ea11e355122282caad4267

https://git.kernel.org/stable/c/91095474eea29b95c9a8bceb9b501a2702b6c55f

https://git.kernel.org/stable/c/d7c71dfd4b80f0eacac2c157a8a3a4c6e8b2e0d1

https://git.kernel.org/stable/c/e64d170346d00b580c0043de3e5ccb3e331c47d4

https://git.kernel.org/stable/c/f6538a318947b627710b08a268bc80a48c23bde7

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