In the Linux kernel, the following vulnerability has been resolved: iio: adc: ad7606: check for NULL before calling sw_mode_config() Check that the sw_mode_config function pointer is not NULL before calling it. Not all buses define this callback, which resulted in a NULL pointer dereference.
https://git.kernel.org/stable/c/c28ad63aa55eaadad2b1793b90bfbe7296cc03ba
https://git.kernel.org/stable/c/5257d80e22bf27009d6742e4c174f42cfe54e425