net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle

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Summary

CVECVE-2026-43283
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-06 12:16:49 UTC
Updated2026-05-08 19:08:43 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle dma_free_coherent() in error path takes priv->rx_buf.alloc_len as the dma handle. This would lead to improper unmapping of the buffer. Change the dma handle to priv->rx_buf.alloc_phys.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.000120000 probability, percentile 0.017700000 (date 2026-05-11)

Problem Types: NVD-CWE-noinfo

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary8.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.1CNADECLARED8.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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 6af55ff52b02d492d45db88df3e461fa51a6f753 0f589ee54fd6d76d3f75e745f7f12c64cbd749e5 git Not specified
CNA Linux Linux affected 6af55ff52b02d492d45db88df3e461fa51a6f753 accd0599bc8e73b962247c6c6c70ca7aa1f8e8d0 git Not specified
CNA Linux Linux affected 6af55ff52b02d492d45db88df3e461fa51a6f753 8320727be7ff704e07c87624efc2a4a75f54b3ce git Not specified
CNA Linux Linux affected 6af55ff52b02d492d45db88df3e461fa51a6f753 1e300c33ef3cc544c2b9c693778fe9490cfe9184 git Not specified
CNA Linux Linux affected 6af55ff52b02d492d45db88df3e461fa51a6f753 1b1371cd4032ae859838ebc74215f569987bb197 git Not specified
CNA Linux Linux affected 6af55ff52b02d492d45db88df3e461fa51a6f753 1b1d3c5d58a80a19d017a409aa2308162bab5bbf git Not specified
CNA Linux Linux affected 6af55ff52b02d492d45db88df3e461fa51a6f753 7e54ff938bebb173822b4c38b33fc164c1cabf92 git Not specified
CNA Linux Linux affected 6af55ff52b02d492d45db88df3e461fa51a6f753 ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2 git Not specified
CNA Linux Linux affected 3.15 Not specified
CNA Linux Linux unaffected 3.15 semver Not specified
CNA Linux Linux unaffected 5.10.252 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.202 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.165 6.1.* 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 6.18.16 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.6 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/1b1371cd4032ae859838ebc74215f569987bb197 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/1e300c33ef3cc544c2b9c693778fe9490cfe9184 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/accd0599bc8e73b962247c6c6c70ca7aa1f8e8d0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/0f589ee54fd6d76d3f75e745f7f12c64cbd749e5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/8320727be7ff704e07c87624efc2a4a75f54b3ce 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/7e54ff938bebb173822b4c38b33fc164c1cabf92 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/1b1d3c5d58a80a19d017a409aa2308162bab5bbf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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