CVE-2026-74462
Description
In the Linux kernel, the following vulnerability has been resolved: i2c: imx: 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.
How to fix
- Linux Linux7a5db225ab5a6b095f6c37197b3b114921d85541, ec8e15e3e5c7e8180b13399f5a5aff8415bf16c5, 00d86dd5c2034e0e139e4806137b3b43e07ddd83 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 358025ac091e5a54f9819b33ee9c7cb07c55ee5d ≤ v < 7a5db225ab5a6b095f6c37197b3b114921d85541, 358025ac091e5a54f9819b33ee9c7cb07c55ee5d ≤ v < ec8e15e3e5c7e8180b13399f5a5aff8415bf16c5, 358025ac091e5a54f9819b33ee9c7cb07c55ee5d ≤ v < 00d86dd5c2034e0e139e4806137b3b43e07ddd83, 6.14 | 7a5db225ab5a6b095f6c37197b3b114921d85541, ec8e15e3e5c7e8180b13399f5a5aff8415bf16c5, 00d86dd5c2034e0e139e4806137b3b43e07ddd83 |
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