In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41getacpimutestate() Return value of a function acpievaluatedsm() is dereferenced without checking for NULL, but it is usually checked for this function. acpievaluatedsm() may return NULL, when acpievaluateobject() returns acpistatus other than ACPISUCCESS, so add a check to prevent the crach. Found by Linux Verification Center (linuxtesting.org) with SVACE.