Linux Kernel USB Yurex Probe Race Fix
CVE-2026-43430 Published on May 8, 2026
usb: yurex: fix race in probe
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.
Products Associated with CVE-2026-43430
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Affected Versions
Linux:- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below a7934d7202a39c3160aa30521c382c7b744ae4a2 is affected.
- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below a8b3b3d730acea1640bc89465f2832cf06a1e13a is affected.
- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below 687d26d43a5aaf44323ce7d601cf242bb87e9559 is affected.
- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below 939e3d17b843b0bae70467fef4481069d73c8520 is affected.
- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below 3cec135415a89723e2d38e1c8cc5098203355965 is affected.
- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below a41d3d9202e951995cfac6248c565423079c71fa is affected.
- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below af83e92c329f11139d5eea2b5b7b83c26c3f67e7 is affected.
- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below 7a875c09899ba0404844abfd8f0d54cdc481c151 is affected.
- Version 5.10.253, <= 5.10.* is unaffected.
- Version 5.15.203, <= 5.15.* is unaffected.
- Version 6.1.167, <= 6.1.* is unaffected.
- Version 6.6.130, <= 6.6.* is unaffected.
- Version 6.12.78, <= 6.12.* is unaffected.
- Version 6.18.19, <= 6.18.* is unaffected.
- Version 6.19.9, <= 6.19.* is unaffected.
- Version 7.0, <= * is unaffected.