In the Linux kernel, the following vulnerability has been resolved:
accel/amdxdna: reject command submission on devices without a submit op
amdxdna_cmd_submit() calls xdna->dev_info->ops->cmd_submit() unconditionally, but only aie2_dev_ops defines that callback. aie4_vf_ops (the AIE4 SR-IOV virtual function) does not, so a user AMDXDNA_EXEC_CMD ioctl on an AIE4 device reaches a NULL function-pointer call and oopses the kernel. AIE4 submits work through a mapped user queue and doorbell, not this ioctl path.
Reject the submission early with -EOPNOTSUPP when the device provides no cmd_submit op, so the shared EXEC ioctl is a clean no-op on such devices.
Found by 0sec automated security-research tooling (https://0sec.ai).
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Ubuntu | — | Upgrade linux-image-oracle-7.0Upgrade linux-image-7.0.0-1015-oemUpgrade linux-image-ibm-7.0Upgrade linux-image-generic-64k-7.0Upgrade linux-image-7.0.0-1016-azure-fdeUpgrade linux-image-7.0.0-1014-gcp-64kUpgrade linux-image-realtime-hwe-26.04Upgrade linux-image-7.0.0-38-realtimeUpgrade linux-image-azure-fde-7.0Upgrade linux-image-7.0.0-38-realtime-64kUpgrade linux-image-7.0.0-1017-azureUpgrade linux-image-7.0.0-1013-oracle-64kUpgrade linux-image-aws-7.0Upgrade linux-image-virtual-hwe-26.04Upgrade linux-image-gke-64kUpgrade linux-image-7.0.0-1013-oracleUpgrade linux-image-azure-fdeUpgrade linux-image-azure-lts-26.04Upgrade linux-image-azureUpgrade linux-image-gcp-7.0Upgrade linux-image-ibmUpgrade linux-image-aws-64k-7.0Upgrade linux-image-genericUpgrade linux-image-realtime-7.0Upgrade linux-image-oem-26.04Upgrade linux-image-7.0.0-1015-ibmUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-generic-64kUpgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-oracle-64k-7.0Upgrade linux-image-7.0.0-1008-gkeUpgrade linux-image-7.0.0-1014-aws-64kUpgrade linux-image-gke-64k-7.0Upgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-oracle-64kUpgrade linux-image-oem-7.0Upgrade linux-image-aws-64kUpgrade linux-image-generic-hwe-26.04Upgrade linux-image-azure-7.0Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-gkeUpgrade linux-image-generic-7.0Upgrade linux-image-7.0.0-1008-gke-64kUpgrade linux-image-realtime-64k-7.0Upgrade linux-image-gke-hwe-26.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-realtime-64kUpgrade linux-image-7.0.0-38-generic-64kUpgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-azure-fde-lts-26.04Upgrade linux-image-virtual-7.0Upgrade linux-image-oracleUpgrade linux-image-oem-26.04aUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-7.0.0-38-genericUpgrade linux-image-7.0.0-1014-awsUpgrade linux-image-awsUpgrade linux-image-7.0.0-1014-gcpUpgrade linux-image-virtualUpgrade linux-image-gke-7.0Upgrade linux-image-realtimeUpgrade linux-image-gcp-64kUpgrade linux-image-gcp | Oct 7, 2026 | Oct 6, 2026 |
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