net: spacemit: Fix error handling in emac_tx_mem_map()

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Summary

CVECVE-2026-43462
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-08 15:16:59 UTC
Updated2026-05-11 08:16:15 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: net: spacemit: Fix error handling in emac_tx_mem_map() The DMA mappings were leaked on mapping error. Free them with the existing emac_free_tx_buf() function.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.000170000 probability, percentile 0.041380000 (date 2026-05-10)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected bfec6d7f2001c7470c3cd261ae65a3ba8737f226 c34ebd7b24ea70be3c6fdb6936f79f593f37df60 git Not specified
CNA Linux Linux affected bfec6d7f2001c7470c3cd261ae65a3ba8737f226 edeaba385318f60ec1b32470da4d5eb800294d16 git Not specified
CNA Linux Linux affected bfec6d7f2001c7470c3cd261ae65a3ba8737f226 86292155bea578ebab0ca3b65d4d87ecd8a0e9ea git Not specified
CNA Linux Linux affected 6.18 Not specified
CNA Linux Linux unaffected 6.18 semver Not specified
CNA Linux Linux unaffected 6.18.19 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.9 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/86292155bea578ebab0ca3b65d4d87ecd8a0e9ea 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/edeaba385318f60ec1b32470da4d5eb800294d16 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/c34ebd7b24ea70be3c6fdb6936f79f593f37df60 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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