CVE-2026-92522 ACPI: processor: validate MADT IOAPIC entry bounds

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: validate MADT IOAPIC entry bounds The IOAPIC hotplug lookup parses both MADT and MAT records directly. The MADT walk previously used a subtable's declared length to advance the cursor after only locating a generi...

PT-2026-94830

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ACPI processor component where the IOAPIC hotplug lookup fails to properly validate bounds when parsing MADT Multiple APIC Description Table and MAT records. The...