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THREAT OPS › Threat News › [NVD] CVE-2026-89445 (HIGH 8.8) — In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix UAF in selftest IOPF reporting IOMMUFD selftest TRIGGER_IOPF borrows an attach handle from group->pasid_array without synchronizing against PASID detach, then a concurrent iommu_report_device_fault

[NVD] CVE-2026-89445 (HIGH 8.8) — In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix UAF in selftest IOPF reporting IOMMUFD selftest TRIGGER_IOPF borrows an attach handle from group->pasid_array without synchronizing against PASID detach, then a concurrent iommu_report_device_fault

mednvdPublished 2026-09-11

CVE-2026-89445 CVSS: 8.8 HIGH Published: 2026-09-11T20:19:24.990

In the Linux kernel, the following vulnerability has been resolved:

iommufd: Fix UAF in selftest IOPF reporting

IOMMUFD selftest TRIGGER_IOPF borrows an attach handle from group->pasid_array without synchronizing against PASID detach, then a concurrent iommu_report_device_fault() can dereference that borrowed handle's domain point

Indicators of compromise

CVE-2026-89445cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-89445