In the Linux kernel, the following vulnerability has been resolved: ALSA: core: Fix possible NULL dereference caused by kunit_kzalloc() kunit_kzalloc() may return a NULL pointer, dereferencing it without NULL check may lead to NULL dereference. Add NULL checks for all the kunit_kzalloc() in sound_kunit.c
https://git.kernel.org/stable/c/f5486bf8abfe778b368d8fd1aa655dc01d0013ca
https://git.kernel.org/stable/c/9ad467a2b2716d4ed12f003b041aa6c776a13ff5
https://git.kernel.org/stable/c/8bfff486ecc79a72e9380e2d5e0ff234d5542d2f