usb: dwc2: Fix use after free in debug code

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-63927
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-19 16:17:11 UTC
Updated2026-07-20 15:16:57 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: usb: dwc2: Fix use after free in debug code We're not allowed to dereference "urb" after calling usb_hcd_giveback_urb() so save the urb->status ahead of time.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.002100000 probability, percentile 0.113620000 (date 2026-07-20)

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 7359d482eb4d3967cc8be354405ae6be6eaf732c d5fc183ed614aeba6779cc992325be560f9a4451 git Not specified
CNA Linux Linux affected 7359d482eb4d3967cc8be354405ae6be6eaf732c 63b0dafa676aad4d0c3f01a61ad8e2990907660c git Not specified
CNA Linux Linux affected 7359d482eb4d3967cc8be354405ae6be6eaf732c 9fe1d84f7e2cf33634e8afb7f4b7f8de182dd913 git Not specified
CNA Linux Linux affected 7359d482eb4d3967cc8be354405ae6be6eaf732c 0584af4fe40fa5e254a05d69ce658746de641708 git Not specified
CNA Linux Linux affected 7359d482eb4d3967cc8be354405ae6be6eaf732c a15eeeceb94cbc04edef395e4d777ff554bdc27d git Not specified
CNA Linux Linux affected 7359d482eb4d3967cc8be354405ae6be6eaf732c 84ea928ed584756e59c6ac09736f12d1db95ded0 git Not specified
CNA Linux Linux affected 7359d482eb4d3967cc8be354405ae6be6eaf732c 6d0b79d1d1118145e48a68192b6d733e39387053 git Not specified
CNA Linux Linux affected 7359d482eb4d3967cc8be354405ae6be6eaf732c 9ea06a3fbf9f16e0d98c52cb3b99642be15ec281 git Not specified
CNA Linux Linux affected 3.10 Not specified
CNA Linux Linux unaffected 3.10 semver Not specified
CNA Linux Linux unaffected 5.10.259 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.210 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.176 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.143 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.93 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.35 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.12 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/0584af4fe40fa5e254a05d69ce658746de641708 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/9ea06a3fbf9f16e0d98c52cb3b99642be15ec281 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/d5fc183ed614aeba6779cc992325be560f9a4451 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/63b0dafa676aad4d0c3f01a61ad8e2990907660c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6d0b79d1d1118145e48a68192b6d733e39387053 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a15eeeceb94cbc04edef395e4d777ff554bdc27d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/9fe1d84f7e2cf33634e8afb7f4b7f8de182dd913 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/84ea928ed584756e59c6ac09736f12d1db95ded0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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