usb: yurex: fix race in probe

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Summary

CVECVE-2026-43430
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-08 15:16:55 UTC
Updated2026-05-20 18:22:23 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: usb: yurex: fix race in probe The bbu member of the descriptor must be set to the value standing for uninitialized values before the URB whose completion handler sets bbu is submitted. Otherwise there is a window during which probing can overwrite already retrieved data.

Risk And Classification

Primary CVSS: v3.1 4.7 MEDIUM from [email protected]

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

EPSS: 0.000240000 probability, percentile 0.070360000 (date 2026-05-12)

Problem Types: CWE-362

CVSS v3.1 Breakdown

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

CVSS:3.1/AV:L/AC:H/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 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c a7934d7202a39c3160aa30521c382c7b744ae4a2 git Not specified
CNA Linux Linux affected 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c a8b3b3d730acea1640bc89465f2832cf06a1e13a git Not specified
CNA Linux Linux affected 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c 687d26d43a5aaf44323ce7d601cf242bb87e9559 git Not specified
CNA Linux Linux affected 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c 939e3d17b843b0bae70467fef4481069d73c8520 git Not specified
CNA Linux Linux affected 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c 3cec135415a89723e2d38e1c8cc5098203355965 git Not specified
CNA Linux Linux affected 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c a41d3d9202e951995cfac6248c565423079c71fa git Not specified
CNA Linux Linux affected 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c af83e92c329f11139d5eea2b5b7b83c26c3f67e7 git Not specified
CNA Linux Linux affected 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c 7a875c09899ba0404844abfd8f0d54cdc481c151 git Not specified
CNA Linux Linux affected 2.6.37 Not specified
CNA Linux Linux unaffected 2.6.37 semver Not specified
CNA Linux Linux unaffected 5.10.253 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.203 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.167 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.130 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.78 6.12.* 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/7a875c09899ba0404844abfd8f0d54cdc481c151 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/af83e92c329f11139d5eea2b5b7b83c26c3f67e7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/a8b3b3d730acea1640bc89465f2832cf06a1e13a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/a41d3d9202e951995cfac6248c565423079c71fa 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/687d26d43a5aaf44323ce7d601cf242bb87e9559 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/a7934d7202a39c3160aa30521c382c7b744ae4a2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/939e3d17b843b0bae70467fef4481069d73c8520 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/3cec135415a89723e2d38e1c8cc5098203355965 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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