spi: cadence-quadspi: fix unclocked access on unbind

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Summary

CVECVE-2026-46203
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-28 10:16:35 UTC
Updated2026-06-19 13:16:35 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: fix unclocked access on unbind Make sure that the controller is runtime resumed before disabling it during driver unbind to avoid an unclocked register access. This issue was flagged by Sashiko when reviewing a controller deregistration fix.

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS: 0.001310000 probability, percentile 0.029920000 (date 2026-06-24)

Problem Types: CWE-125

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel 7.1 rc1 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 0578a6dbfe7514db7134501cf93acc21cf13e479 2e7cd62c37f51823c2bb79de1d4d76d0c1678c7e git Not specified
CNA Linux Linux affected 0578a6dbfe7514db7134501cf93acc21cf13e479 63a9f6012f453578898c9fcc13c8452a8651104e git Not specified
CNA Linux Linux affected 0578a6dbfe7514db7134501cf93acc21cf13e479 d67a5311818b3e6481a1e4293c9337ebfee73111 git Not specified
CNA Linux Linux affected 0578a6dbfe7514db7134501cf93acc21cf13e479 233db2cb14db8b1935dda52a6affd97276462b82 git Not specified
CNA Linux Linux affected 6.7 Not specified
CNA Linux Linux unaffected 6.7 semver Not specified
CNA Linux Linux unaffected 6.12.94 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.36 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.9 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/2e7cd62c37f51823c2bb79de1d4d76d0c1678c7e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/233db2cb14db8b1935dda52a6affd97276462b82 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/63a9f6012f453578898c9fcc13c8452a8651104e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/d67a5311818b3e6481a1e4293c9337ebfee73111 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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