云虫漏洞情报

CVE-2026-80684 - 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. - 漏洞详情

漏洞编号:CVE-2026-80684

风险等级:未知

漏洞来源:CVE

CVE 编号:CVE-2026-80684

CNNVD 编号:-

厂商/产品:- / -

影响范围:-

CWE:-

发布/更新时间:2026-08-28 / 2026-08-28

漏洞描述

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.

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