In the Linux kernel, the following vulnerability has been resolved:
ALSA: hda: cs35l41: Possible null pointer dereference in cs35l41hdaunbind()
The cs35l41hdaunbind() function clears the hdacomponent entry matching it's index and then dereferences the codec pointer held in the first element of the hdacomponent array, this is an issue when the device index was 0.
Instead use the codec pointer stashed in the cs35l41_hda structure as it will still be valid.