Medium 4.7Published May 8, 2026

CVE-2026-43430usb: yurex: fix race in probe

Updated under an hour ago (Oct 27, 2026, 2:10 PM ET)

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Exploited in the last 30 days

In 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.

CVSS: 4.7 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c before a7934d7202a39c3160aa30521c382c7b744ae4a2; from 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c before a8b3b3d730acea1640bc89465f2832cf06a1e13a; from 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c before 687d26d43a5aaf44323ce7d601cf242bb87e9559; from 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c before 939e3d17b843b0bae70467fef4481069d73c8520; 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c builds before 3cec135415a89723e2d38e1c8cc5098203355965; from 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c before a41d3d9202e951995cfac6248c565423079c71fa; from 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c before af83e92c329f11139d5eea2b5b7b83c26c3f67e7; from 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c before 7a875c09899ba0404844abfd8f0d54cdc481c151	CNA record
linux linux_kernel linux:linux_kernel	from 2.6.37 before 5.10.253; from 5.11 before 5.15.203; from 5.16 before 6.1.167; from 6.2 before 6.6.130; from 6.7 before 6.12.78; from 6.13 before 6.18.19; from 6.19 before 6.19.9; 7.0; and 6 more ranges	NVD

References

References

https://git.kernel.org/stable/c/a7934d7202a39c3160aa30521c382c7b744ae4a2	patch
https://git.kernel.org/stable/c/a8b3b3d730acea1640bc89465f2832cf06a1e13a	patch
https://git.kernel.org/stable/c/687d26d43a5aaf44323ce7d601cf242bb87e9559	patch
https://git.kernel.org/stable/c/939e3d17b843b0bae70467fef4481069d73c8520	patch
https://git.kernel.org/stable/c/3cec135415a89723e2d38e1c8cc5098203355965	patch
https://git.kernel.org/stable/c/a41d3d9202e951995cfac6248c565423079c71fa	patch
https://git.kernel.org/stable/c/af83e92c329f11139d5eea2b5b7b83c26c3f67e7	patch
https://git.kernel.org/stable/c/7a875c09899ba0404844abfd8f0d54cdc481c151	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.