spi: mpc52xx: fix use-after-free on registration failure

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-46241
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-28 10:16:39 UTC
Updated2026-06-10 21:01:29 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: spi: mpc52xx: fix use-after-free on registration failure Make sure to disable and free the interrupts in case controller registration fails to avoid a potential use-after-free and resource leak. This issue was flagged by Sashiko when reviewing a controller deregistration fix.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

EPSS: 0.000180000 probability, percentile 0.048040000 (date 2026-06-02)

Problem Types: CWE-416

CVSS v3.1 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 42bbb70980f3720b0ae6da6af862af0e95a04351 8b49b6aadd0c622ca7d68b4a53ae10362e221cf3 git Not specified
CNA Linux Linux affected 42bbb70980f3720b0ae6da6af862af0e95a04351 336d9ad7560b3baba17af06727a888040ee93390 git Not specified
CNA Linux Linux affected 42bbb70980f3720b0ae6da6af862af0e95a04351 5c77f11b9b5f1ad5a704dad875260c44016ede10 git Not specified
CNA Linux Linux affected 42bbb70980f3720b0ae6da6af862af0e95a04351 f62c060272b9d7423b1650b844e8e4e7b8f9f925 git Not specified
CNA Linux Linux affected 2.6.33 Not specified
CNA Linux Linux unaffected 2.6.33 semver Not specified
CNA Linux Linux unaffected 6.12.90 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.32 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.9 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/5c77f11b9b5f1ad5a704dad875260c44016ede10 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/f62c060272b9d7423b1650b844e8e4e7b8f9f925 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/8b49b6aadd0c622ca7d68b4a53ae10362e221cf3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/336d9ad7560b3baba17af06727a888040ee93390 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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