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

References

• https://nvd.nist.gov/vuln/detail/CVE-2024-56696
• https://git.kernel.org/stable/c/8bfff486ecc79a72e9380e2d5e0ff234d5542d2f
• https://git.kernel.org/stable/c/9ad467a2b2716d4ed12f003b041aa6c776a13ff5
• https://git.kernel.org/stable/c/f5486bf8abfe778b368d8fd1aa655dc01d0013ca