linux linux-kernel CVE-2026-80684 is a vulnerability in Linux Kernel
Published on August 28, 2026

KVM: s390: pci: Fix NULL dereference on AIBV allocation failure
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix NULL dereference on AIBV allocation failure The airq_iv_create() 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 kvm_zpci_set_airq(). Add a NULL check and free the previously allocated AISB bit and zdev->aisb on failure.

NVD


Products Associated with CVE-2026-80684

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Affected Versions

Linux: Linux: