spi: rockchip-sfc: Fix double-free in remove() callback

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Summary

CVECVE-2026-43460
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-08 15:16:58 UTC
Updated2026-05-12 14:10:27 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: spi: rockchip-sfc: Fix double-free in remove() callback The driver uses devm_spi_register_controller() for registration, which automatically unregisters the controller via devm cleanup when the device is removed. The manual call to spi_unregister_controller() in the remove() callback can lead to a double-free. And to make sure controller is unregistered before DMA buffer is unmapped, switch to use spi_register_controller() in probe().

Risk And Classification

EPSS: 0.000170000 probability, percentile 0.041320000 (date 2026-05-12)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 8011709906d0d6ff1ba9589de5a906bf6e430782 b6051f2bdd4bd3dde85b68558edd3a6843489221 git Not specified
CNA Linux Linux affected 8011709906d0d6ff1ba9589de5a906bf6e430782 85fb53351e6a3b921357a2178671e847a087e400 git Not specified
CNA Linux Linux affected 8011709906d0d6ff1ba9589de5a906bf6e430782 111e2863372c322e836e0c896f6dd9cf4ee08c71 git Not specified
CNA Linux Linux affected 6.14 Not specified
CNA Linux Linux unaffected 6.14 semver Not specified
CNA Linux Linux unaffected 6.18.19 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.9 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/111e2863372c322e836e0c896f6dd9cf4ee08c71 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b6051f2bdd4bd3dde85b68558edd3a6843489221 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/85fb53351e6a3b921357a2178671e847a087e400 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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