CVE-2026-68454

CVE-2026-68454: In the Linux kernel KVM for s390, the PCI handling of AIF enable without AISB is fixed. When a guest registers IRQs without a summary bit, the GAITE now stores 0 for the guest AISB location instead of using virt_to_phys(page_address(NULL)). This renormalizes AISB location handling...