In the Linux kernel, the following vulnerability has been resolved:
usb: xhci: Prevent interrupt storm on host controller error (HCE)
The xHCI controller reports a Host Controller Error (HCE) in UAS Storage Device plug/unplug scenarios on Android devices. HCE is checked in xhci_irq() function and causes an interrupt storm (since the interrupt isn’t cleared), leading to severe system-level faults.
When the xHC controller reports HCE in the interrupt handler, the driver only logs a warning and assumes xHC activity will stop as stated in xHCI specification. An interrupt storm does however continue on some hosts even after HCE, and only ceases after manually disabling xHC interrupt and stopping the controller by calling xhci_halt().
Add xhci_halt() to xhci_irq() function where STS_HCE status is checked, mirroring the existing error handling pattern used for STS_FATAL errors.
This only fixes the interrupt storm. Proper HCE recovery requires resetting and re-initializing the xHC.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | May 13, 2026 |
| Ubuntu | — | Upgrade linux-image-kvmUpgrade linux-image-realtime-6.8.1Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-fipsUpgrade linux-image-gcp-6.8Upgrade linux-image-xilinx-6.8Upgrade linux-image-lowlatencyUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-1046-gkeopUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-gcp-64kUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-azure-fipsUpgrade linux-image-aws-64k-6.8Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-lowlatency-6.8Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-gcp-fipsUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-gke-64kUpgrade linux-image-6.8.0-1062-azure-fdeUpgrade linux-image-virtual-6.8Upgrade linux-image-generic-64k-6.8Upgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1064-gcp-64kUpgrade linux-image-oem-22.04aUpgrade linux-image-raspi-6.8Upgrade linux-image-6.8.0-136-generic-64kUpgrade linux-image-aws-6.8Upgrade linux-image-azureUpgrade linux-image-raspiUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-awsUpgrade linux-image-6.8.0-1058-oracle-64kUpgrade linux-image-6.8.0-1064-gcpUpgrade linux-image-6.8.0-1059-nvidia-lowlatencyUpgrade linux-image-ibm-classicUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-oem-22.04dUpgrade linux-image-aws-fips-6.8Upgrade linux-image-6.8.0-1030-nvidia-tegra-rtUpgrade linux-image-6.8.0-1061-awsUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-6.8.0-1061-ibmUpgrade linux-image-6.8.0-1059-nvidia-lowlatency-64kUpgrade linux-image-aws-fipsUpgrade linux-image-azure-lts-24.04Upgrade linux-image-6.8.0-1061-aws-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1059-gke-64kUpgrade linux-image-azure-fdeUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-ibmUpgrade linux-image-6.8.0-1030-nvidia-tegraUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-ibm-6.8Upgrade linux-image-6.8.0-136-lowlatencyUpgrade linux-image-gcpUpgrade linux-image-fips-6.8Upgrade linux-image-6.8.0-1063-azureUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-azure-fips-6.8Upgrade linux-image-6.8.0-1033-xilinxUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-intel-iotgUpgrade linux-image-azure-fde-6.8Upgrade linux-image-aws-64kUpgrade linux-image-6.8.0-1061-aws-fipsUpgrade linux-image-6.8.0-136-lowlatency-64kUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-oem-20.04Upgrade linux-image-6.8.0-1059-nvidia-64kUpgrade linux-image-6.8.0-1064-gcp-fipsUpgrade linux-image-6.8.0-1059-gkeUpgrade linux-image-oracle-64kUpgrade linux-image-gke-64k-6.8Upgrade linux-image-oem-20.04bUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-raspi-realtimeUpgrade linux-image-oracleUpgrade linux-image-oem-22.04Upgrade linux-image-nvidia-tegraUpgrade linux-image-generic-64kUpgrade linux-image-genericUpgrade linux-image-azure-6.8Upgrade linux-image-realtimeUpgrade linux-image-gkeUpgrade linux-image-6.8.0-136-genericUpgrade linux-image-oem-22.04cUpgrade linux-image-nvidiaUpgrade linux-image-laptop-23.10Upgrade linux-image-gkeop-6.8Upgrade linux-image-generic-6.8Upgrade linux-image-6.8.0-2050-raspi-realtimeUpgrade linux-image-6.8.0-1063-azure-fipsUpgrade linux-image-6.8.0-1061-raspiUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-oracle-6.8Upgrade linux-image-6.8.0-1058-oracleUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-gkeopUpgrade linux-image-6.8.0-136-fipsUpgrade linux-image-6.8.0-1059-nvidiaUpgrade linux-image-xilinxUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-6.8.1-1056-realtimeUpgrade linux-image-oem-22.04bUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-gke-6.8Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-aws-lts-24.04Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-virtualUpgrade linux-image-oem-20.04dUpgrade linux-image-oem-20.04cUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-lowlatency-64k | Jul 21, 2026 | Jul 20, 2026 |
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