In the Linux kernel, the following vulnerability has been resolved:
i2c: imx-lpi2c: mark I2C adapter when hardware is powered down
On some i.MX platforms, certain I2C client drivers keep a periodic workqueue which continues to trigger I2C transfers.
During system suspend/resume, there exists a time window between: - suspend_noirq and the system entering suspend - the system starting to resume and resume_noirq
In this window, the I2C controller resources such as clock and pinctrl may already be disabled or not yet restored.
If a workqueue triggers an I2C transfer in this period, the driver attempts to access I2C registers while the hardware resources are unavailable, which may lead to system hang.
Mark the I2C adapter as suspended during noirq suspend and block new transfers until resume, ensuring that I2C transfers are only issued when hardware resources are available.
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 |
|---|---|---|---|---|
| Ubuntu | — | Upgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-7.0.0-31-realtimeUpgrade linux-image-virtual-7.0Upgrade linux-image-7.0.0-1013-ibmUpgrade linux-image-nvidia-bos-7.0Upgrade linux-image-oem-26.04bUpgrade linux-image-nvidia-bosUpgrade linux-image-7.0.0-31-realtime-64kUpgrade linux-image-nvidiaUpgrade linux-image-gkeUpgrade linux-image-gcp-7.0Upgrade linux-image-generic-64kUpgrade linux-image-aws-7.0Upgrade linux-image-realtime-7.0Upgrade linux-image-7.0.0-1013-oemUpgrade linux-image-7.0.0-1006-gkeUpgrade linux-image-7.0.0-1019-raspi-realtimeUpgrade linux-image-aws-64k-7.0Upgrade linux-image-gke-64kUpgrade linux-image-aws-64kUpgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-virtual-hwe-26.04Upgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-oem-26.04Upgrade linux-image-7.0.0-1019-raspiUpgrade linux-image-gke-7.0Upgrade linux-image-ibm-7.0Upgrade linux-image-genericUpgrade linux-image-ibmUpgrade linux-image-7.0.0-31-generic-64kUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-virtualUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-generic-7.0Upgrade linux-image-7.0.0-2018-nvidia-bosUpgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-oem-7.0Upgrade linux-image-gke-hwe-26.04Upgrade linux-image-gcp-64k-7.0Upgrade linux-image-7.0.0-1012-awsUpgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-raspi-7.0Upgrade linux-image-7.0.0-2018-nvidia-bos-64kUpgrade linux-image-gcp-64kUpgrade linux-image-generic-64k-7.0Upgrade linux-image-awsUpgrade linux-image-7.0.0-1018-nvidiaUpgrade linux-image-nvidia-bos-64kUpgrade linux-image-generic-hwe-26.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-realtimeUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-7.0.0-1018-nvidia-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-realtime-hwe-26.04Upgrade linux-image-realtime-64kUpgrade linux-image-realtime-64k-7.0Upgrade linux-image-gcpUpgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-raspi-realtimeUpgrade linux-image-7.0.0-31-genericUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-gke-64k-7.0Upgrade linux-image-oem-26.04aUpgrade linux-image-7.0.0-1006-gke-64kUpgrade linux-image-raspiUpgrade linux-image-nvidia-7.0Upgrade linux-image-7.0.0-1012-aws-64k | Sep 14, 2026 | Sep 7, 2026 |
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