CVE-2026-43313
MediumSummary
A vulnerability in the Linux kernel has been fixed that led to a NULL-pointer dereference in the acpi_processor_errata_piix4() function. The issue occurred during the assignment of IDE and ISA devices.
Risk Assessment
Exploitation of this vulnerability could lead to system crashes or unexpected behavior, jeopardizing the stability and security of the operating system.
Recommendation
It is recommended to update the Linux kernel to the latest version to eliminate this vulnerability and ensure system security.
Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Fix NULL-pointer dereference in acpi_processor_errata_piix4() In acpi_processor_errata_piix4(), the pointer dev is first assigned an IDE device and then reassigned an ISA device: dev = pci_get_subsys(..., PCI_D