In the Linux kernel, the following vulnerability has been resolved: ACPICA: ACPICA: check null return of ACPIALLOCATEZEROED in acpidbdisplayobjects ACPICA commit 0d5f467d6a0ba852ea3aad68663cbcbd43300fd4 ACPIALLOCATEZEROED may fails, objectinfo might be null and will cause null pointer dereference later.