dmaengine: zynqmp_dma: fix race between runtime PM and device removal

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Summary

CVECVE-2026-93169
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-17 17:18:12 UTC
Updated2026-09-17 17:18:12 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: dmaengine: zynqmp_dma: fix race between runtime PM and device removal In zynqmp_dma_remove(), runtime PM was disabled only after checking state and doing a manual suspend. This can race with runtime PM in the remove/unbind (rmmod) path. Disable runtime PM first, then suspend only if the device is not already suspended. To prevent any further runtime PM transitions.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 72dd8b2914b5db1dccf902971c2ea6b541711b28 32f69e6c95b59f9cfc649ebf352a204d23ba93d7 git Not specified
CNA Linux Linux affected 72dd8b2914b5db1dccf902971c2ea6b541711b28 aec7cf9a5bd89047c58d5648bfce0b1bd19ba7d5 git Not specified
CNA Linux Linux affected 72dd8b2914b5db1dccf902971c2ea6b541711b28 516ba2d8b7aac4238f9fcbd58579c43c71b9b695 git Not specified
CNA Linux Linux affected 6.18 Not specified
CNA Linux Linux unaffected 6.18 semver Not specified
CNA Linux Linux unaffected 6.18.52 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.6 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/516ba2d8b7aac4238f9fcbd58579c43c71b9b695 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/aec7cf9a5bd89047c58d5648bfce0b1bd19ba7d5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/32f69e6c95b59f9cfc649ebf352a204d23ba93d7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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