CVE-2024-50160: ALSA: hda/cs8409: Fix possible NULL dereference

First published: Thu Nov 07 2024(Updated: )

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda/cs8409: Fix possible NULL dereference If snd_hda_gen_add_kctl fails to allocate memory and returns NULL, then NULL pointer dereference will occur in the next line. Since dolphin_fixups function is a hda_fixup function which is not supposed to return any errors, add simple check before dereference, ignore the fail. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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