CVE-2026-80684

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix NULL dereference on AIBV allocation failure The airqivcreate can return NULL on failure, but the return value was never checked. If it fails, zdev-aibv will be NULL and fail when dereferenced in kvmzpcisetairq...

EUVD-2026-67560

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix NULL dereference on AIBV allocation failure The airqivcreate can return NULL on failure, but the return value was never checked. If it fails, zdev-aibv will be NULL and fail when dereferenced in kvmzpcisetairq...

CVE-2026-80684

CVE-2026-80684 affects the Linux kernel in the KVM s390 PCI subsystem. The root cause is that airq_iv_create() may return NULL on allocation failure, but its return value was never checked. As a result, zdev->aibv remains NULL and is later dereferenced in kvm_zpci_set_airq(), causing a NULL po...