dmaengine: fsl-edma: don't explicitly disable clocks in .remove()

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Summary

CVECVE-2026-46255
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-03 18:16:26 UTC
Updated2026-06-09 20:10:42 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: dmaengine: fsl-edma: don't explicitly disable clocks in .remove() The clocks in fsl_edma_engine::muxclk are allocated and enabled with devm_clk_get_enabled(), which automatically cleans these resources up, but these clocks are also manually disabled in fsl_edma_remove(). This causes warnings on driver removal for each clock: edma_module already disabled WARNING: CPU: 0 PID: 418 at drivers/clk/clk.c:1200 clk_core_disable+0x198/0x1c8 [...] Call trace: clk_core_disable+0x198/0x1c8 (P) clk_disable+0x34/0x58 fsl_edma_remove+0x74/0xe8 [fsl_edma] [...] ---[ end trace 0000000000000000 ]--- edma_module already unprepared WARNING: CPU: 0 PID: 418 at drivers/clk/clk.c:1059 clk_core_unprepare+0x1f8/0x220 [...] Call trace: clk_core_unprepare+0x1f8/0x220 (P) clk_unprepare+0x34/0x58 fsl_edma_remove+0x7c/0xe8 [fsl_edma] [...] ---[ end trace 0000000000000000 ]--- Fix these warnings by removing the unnecessary fsl_disable_clocks() call in fsl_edma_remove().

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

EPSS: 0.000130000 probability, percentile 0.022340000 (date 2026-06-11)

Problem Types: NVD-CWE-noinfo

CVSS v3.1 Breakdown

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

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 a9903de3aa16731846bf924342eca44bdabe9be6 533d495f15e4c88ad5246c7f90ae026702e28d75 git Not specified
CNA Linux Linux affected a9903de3aa16731846bf924342eca44bdabe9be6 68feac21bd4de7ae4faba05704c404861d991fcf git Not specified
CNA Linux Linux affected a9903de3aa16731846bf924342eca44bdabe9be6 bda244871179543dd3be7d093236cb33b2fb1765 git Not specified
CNA Linux Linux affected a9903de3aa16731846bf924342eca44bdabe9be6 b84dba68c4823da452cec99a5d213571a65d06de git Not specified
CNA Linux Linux affected a9903de3aa16731846bf924342eca44bdabe9be6 666c53e94c1d0bf0bdf14c49505ece9ddbe725bc git Not specified
CNA Linux Linux affected 6.6 Not specified
CNA Linux Linux unaffected 6.6 semver Not specified
CNA Linux Linux unaffected 6.6.128 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.75 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.14 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.4 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/b84dba68c4823da452cec99a5d213571a65d06de 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/533d495f15e4c88ad5246c7f90ae026702e28d75 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/bda244871179543dd3be7d093236cb33b2fb1765 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/68feac21bd4de7ae4faba05704c404861d991fcf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/666c53e94c1d0bf0bdf14c49505ece9ddbe725bc 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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