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The memory allocation function ACPI_ALLOCATE_ZEROED does not guarantee a successful allocation, but the subsequent code directly dereferences the pointer that receives it, which may lead to null pointer dereference. To fix this issue, a null pointer check should be added. If it is null, return exception code AE_NO_MEMORY. Reference: https://nvd.nist.gov/vuln/detail/CVE-2024-24856 (From OE-Core rev: 0920aacb2a042e10e54db949428471ef9b20c96d) Signed-off-by: Yogita Urade <yogita.urade@windriver.com> Signed-off-by: Steve Sakoman <steve@sakoman.com>