CVE-2026-43313 ACPI: processor: Fix NULL-pointer dereference in acpi_processor_errata_piix4()

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Fix NULL-pointer dereference in acpiprocessorerratapiix4 In acpiprocessorerratapiix4, the pointer dev is first assigned an IDE device and then reassigned an ISA device: dev = pcigetsubsys...,...

CVE-2026-23443 ACPI: processor: Fix previous acpi_processor_errata_piix4() fix

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Fix previous acpiprocessorerratapiix4 fix After commi f132e089fe89 "ACPI: processor: Fix NULL-pointer dereference in acpiprocessorerratapiix4", device pointers may be dereferenced after dropping references to the...