net: emac: Fix NULL pointer dereference in emac_probe

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-80614
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-28 08:16:45 UTC
Updated2026-08-29 07:16:46 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: net: emac: Fix NULL pointer dereference in emac_probe Move devm_request_irq() after devm_platform_ioremap_resource() so that dev->emacp is mapped before the interrupt handler can fire. An early interrupt hitting emac_irq() would dereference the NULL dev->emacp and crash. Also remove redundant error message. devm_platform_ioremap_resource() already returns an error message with dev_err_probe().

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: 0.001660000 probability, percentile 0.060740000 (date 2026-08-28)

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 dcc34ef7c83473222027f475014a2bf8ab798372 a103cdb0681e7185d1b0a12ce6a7c5416c208ccd git Not specified
CNA Linux Linux affected dcc34ef7c83473222027f475014a2bf8ab798372 44068b6863fbda78fc810921ddf61642c377b3ca git Not specified
CNA Linux Linux affected dcc34ef7c83473222027f475014a2bf8ab798372 f623d38fe6c4e8c40b23f42cc6fe6963fa49997b git Not specified
CNA Linux Linux affected 6.12 Not specified
CNA Linux Linux unaffected 6.12 semver Not specified
CNA Linux Linux unaffected 6.18.40 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.5 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/f623d38fe6c4e8c40b23f42cc6fe6963fa49997b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a103cdb0681e7185d1b0a12ce6a7c5416c208ccd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/44068b6863fbda78fc810921ddf61642c377b3ca 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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