kernel: ACPICA: check null return of ACPI_ALLOCATE_ZEROED() in acpi_db_convert_to_package()

A flaw was found in the Linux kernel's Advanced Configuration and Power Interface ACPI Component Architecture ACPICA. A missing check for a null return value from a memory allocation function ACPIALLOCATEZEROED in the acpidbconverttopackage function can lead to a null pointer dereference. This...