In the Linux kernel, the following vulnerability has been resolved:
iommu/vt-d: Avoid WARNING in sva unbind path
The Intel IOMMU driver allows SVA on devices even if they do not support PCI/PRI. Commit 39c20c4e83b9 ("iommu/vt-d: Only handle IOPF for SVA when PRI is supported") modified the SVA bind path to allow this configuration by skipping IOPF enablement when PRI is missing. However, it failed to update the unbind path.
This creates an imbalance: the unbind path attempts to disable IOPF for a device that never had it enabled, triggering a WARNING in intel_iommu_disable_iopf():
WARNING: drivers/iommu/intel/iommu.c:3475 at intel_iommu_disable_iopf+0x4f/0x90d Call Trace: <TASK> blocking_domain_set_dev_pasid+0x50/0x70 iommu_detach_device_pasid+0x89/0xc0 iommu_sva_unbind_device+0x73/0x150 xe_vm_close_and_put+0x4d2/0x1200 [xe]
Fix this by bypassing IOPF operations for SVA domains on non-PRI hardware in both the bind and unbind paths.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Ubuntu | — | Upgrade linux-image-oem-26.04bUpgrade linux-image-gcpUpgrade linux-image-7.0.0-1006-gkeUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-7.0.0-1018-nvidiaUpgrade linux-image-raspi-realtimeUpgrade linux-image-virtualUpgrade linux-image-nvidia-bos-7.0Upgrade linux-image-nvidia-64k-7.0Upgrade linux-image-gcp-7.0Upgrade linux-image-7.0.0-31-genericUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-genericUpgrade linux-image-7.0.0-1011-oracleUpgrade linux-image-realtime-hwe-26.04Upgrade linux-image-nvidiaUpgrade linux-image-generic-64kUpgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-oem-26.04Upgrade linux-image-oracle-64kUpgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-oracleUpgrade linux-image-7.0.0-2018-nvidia-bos-64kUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-virtual-hwe-26.04Upgrade linux-image-nvidia-64kUpgrade linux-image-oracle-7.0Upgrade linux-image-7.0.0-1013-ibmUpgrade linux-image-7.0.0-31-realtime-64kUpgrade linux-image-ibmUpgrade linux-image-generic-64k-7.0Upgrade linux-image-ibm-7.0Upgrade linux-image-azure-lts-26.04Upgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-azure-7.0Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-aws-64kUpgrade linux-image-7.0.0-1012-aws-64kUpgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-7.0.0-1006-gke-64kUpgrade linux-image-virtual-7.0Upgrade linux-image-7.0.0-1013-oemUpgrade linux-image-7.0.0-1014-azureUpgrade linux-image-generic-7.0Upgrade linux-image-realtimeUpgrade linux-image-7.0.0-1019-raspi-realtimeUpgrade linux-image-nvidia-bos-64kUpgrade linux-image-raspi-7.0Upgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-7.0.0-1012-awsUpgrade linux-image-nvidia-bosUpgrade linux-image-gcp-64kUpgrade linux-image-realtime-64k-7.0Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-awsUpgrade linux-image-7.0.0-1018-nvidia-64kUpgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-gcp-64k-7.0Upgrade linux-image-realtime-7.0Upgrade linux-image-oem-26.04aUpgrade linux-image-7.0.0-1019-raspiUpgrade linux-image-aws-7.0Upgrade linux-image-realtime-64kUpgrade linux-image-7.0.0-1011-oracle-64kUpgrade linux-image-raspiUpgrade linux-image-gke-7.0Upgrade linux-image-gke-64kUpgrade linux-image-aws-64k-7.0Upgrade linux-image-azureUpgrade linux-image-nvidia-7.0Upgrade linux-image-7.0.0-31-realtimeUpgrade linux-image-oem-7.0Upgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-gkeUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-gke-hwe-26.04Upgrade linux-image-gke-64k-7.0Upgrade linux-image-raspi-realtime-7.0Upgrade linux-image-7.0.0-31-generic-64kUpgrade linux-image-7.0.0-2018-nvidia-bos | Sep 14, 2026 | Sep 7, 2026 |
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