spi: imx: fix use-after-free on unbind

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Summary

CVECVE-2026-45996
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-27 14:17:17 UTC
Updated2026-05-27 14:48:03 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: spi: imx: fix use-after-free on unbind The SPI subsystem frees the controller and any subsystem allocated driver data as part of deregistration (unless the allocation is device managed). Take another reference before deregistering the controller so that the driver data is not freed until the driver is done with it.

Risk And Classification

EPSS: 0.000180000 probability, percentile 0.050770000 (date 2026-06-01)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 307c897db762d1e0feee9477276b08f6deca4a5b f99165ef067723221472ce1aff632bc74f562643 git Not specified
CNA Linux Linux affected 307c897db762d1e0feee9477276b08f6deca4a5b 385a330083f8dd47c15b02e9a83aef9234a37003 git Not specified
CNA Linux Linux affected 307c897db762d1e0feee9477276b08f6deca4a5b 132e47030b0b5e398e0da6c59df5a5dae9b52cff git Not specified
CNA Linux Linux affected 307c897db762d1e0feee9477276b08f6deca4a5b aa9025a498036b6012769f7af36d421385386c17 git Not specified
CNA Linux Linux affected 307c897db762d1e0feee9477276b08f6deca4a5b 1c78c2002380a1fe31bfb01a3d5f29809e55a096 git Not specified
CNA Linux Linux affected 5.19 Not specified
CNA Linux Linux unaffected 5.19 semver Not specified
CNA Linux Linux unaffected 6.6.140 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.86 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.27 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.4 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/f99165ef067723221472ce1aff632bc74f562643 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/132e47030b0b5e398e0da6c59df5a5dae9b52cff 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1c78c2002380a1fe31bfb01a3d5f29809e55a096 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/aa9025a498036b6012769f7af36d421385386c17 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/385a330083f8dd47c15b02e9a83aef9234a37003 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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