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In the Linux kernel, the following vulnerability has been resolved:
crypto: hisilicon/qm - request reserved interrupt for virtual function
The device interrupt vector 3 is an error interrupt for physical function and a reserved interrupt for virtual function. However, the driver has not registered the reserved interrupt for virtual function. When allocating interrupts, the number of interrupts is allocated based on powers of two, which includes this interrupt. When the system enables GICv4 and the virtual function passthrough to the virtual machine, releasing the interrupt in the driver triggers a warning.
The WARNING report is: WARNING: CPU: 62 PID: 14889 at arch/arm64/kvm/vgic/vgic-its.c:852 its_free_ite+0x94/0xb4
Therefore, register a reserved interrupt for VF and set the IRQF_NO_AUTOEN flag to avoid that warning.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade kernelUpgrade python3-perfUpgrade kernel-toolsUpgrade bpftool | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade python3-perfUpgrade kernel-tools-libsUpgrade bpftool | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-abi-stablelistsUpgrade kernelUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-tools-libsUpgrade python3-perf | Mar 10, 2026 | Mar 10, 2026 |
| Ubuntu | — | Upgrade linux-image-virtual-6.17Upgrade linux-image-gcp-64kUpgrade linux-image-6.17.0-1007-aws-64kUpgrade linux-image-generic-6.17Upgrade linux-image-generic-64k-6.17Upgrade linux-image-genericUpgrade linux-image-oracle-64kUpgrade linux-image-azure-6.17Upgrade linux-image-oracle-64k-6.17Upgrade linux-image-6.17.0-1007-oracle-64kUpgrade linux-image-azureUpgrade linux-image-generic-64kUpgrade linux-image-6.17.0-1007-awsUpgrade linux-image-raspiUpgrade linux-image-6.17.0-14-genericUpgrade linux-image-gcp-64k-6.17Upgrade linux-image-realtime-6.17Upgrade linux-image-aws-64k-6.17Upgrade linux-image-6.17.0-1008-azureUpgrade linux-image-6.17.0-1007-oracleUpgrade linux-image-6.17.0-1007-gcpUpgrade linux-image-6.17.0-1007-gcp-64kUpgrade linux-image-6.17.0-1006-realtimeUpgrade linux-image-oracle-6.17Upgrade linux-image-aws-64kUpgrade linux-image-raspi-6.17Upgrade linux-image-gcpUpgrade linux-image-6.17.0-14-generic-64kUpgrade linux-image-awsUpgrade linux-image-aws-6.17Upgrade linux-image-oem-6.17Upgrade linux-image-oracleUpgrade linux-image-gcp-6.17Upgrade linux-image-virtualUpgrade linux-image-6.17.0-1008-raspiUpgrade linux-image-realtimeUpgrade linux-image-6.17.0-1011-oem | Feb 13, 2026 | Feb 12, 2026 |
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