i2c: imx: mark I2C adapter when hardware is powered down

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Summary

CVECVE-2026-74462
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-15 13:17:50 UTC
Updated2026-08-15 13:17:50 UTC
DescriptionIn 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.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 358025ac091e5a54f9819b33ee9c7cb07c55ee5d 7a5db225ab5a6b095f6c37197b3b114921d85541 git Not specified
CNA Linux Linux affected 358025ac091e5a54f9819b33ee9c7cb07c55ee5d ec8e15e3e5c7e8180b13399f5a5aff8415bf16c5 git Not specified
CNA Linux Linux affected 358025ac091e5a54f9819b33ee9c7cb07c55ee5d 00d86dd5c2034e0e139e4806137b3b43e07ddd83 git Not specified
CNA Linux Linux affected 6.14 Not specified
CNA Linux Linux unaffected 6.14 semver Not specified
CNA Linux Linux unaffected 6.18.44 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.8 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2-rc6 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/7a5db225ab5a6b095f6c37197b3b114921d85541 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/00d86dd5c2034e0e139e4806137b3b43e07ddd83 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ec8e15e3e5c7e8180b13399f5a5aff8415bf16c5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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