CVE-2026-43430 PUBLISHED

usb: yurex: fix race in probe

Assigner: Linux
Reserved: 01.05.2026 Published: 08.05.2026 Updated: 09.05.2026

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.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c to a7934d7202a39c3160aa30521c382c7b744ae4a2 (excl.)
  • affected from 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c to a8b3b3d730acea1640bc89465f2832cf06a1e13a (excl.)
  • affected from 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c to 687d26d43a5aaf44323ce7d601cf242bb87e9559 (excl.)
  • affected from 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c to 939e3d17b843b0bae70467fef4481069d73c8520 (excl.)
  • affected from 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c to 3cec135415a89723e2d38e1c8cc5098203355965 (excl.)
  • affected from 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c to a41d3d9202e951995cfac6248c565423079c71fa (excl.)
  • affected from 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c to af83e92c329f11139d5eea2b5b7b83c26c3f67e7 (excl.)
  • affected from 6bc235a2e24a5ef677daee3fd4f74f6cd643e23c to 7a875c09899ba0404844abfd8f0d54cdc481c151 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 2.6.37 is affected
  • unaffected from 0 to 2.6.37 (excl.)
  • unaffected from 5.10.253 to 5.10.* (incl.)
  • unaffected from 5.15.203 to 5.15.* (incl.)
  • unaffected from 6.1.167 to 6.1.* (incl.)
  • unaffected from 6.6.130 to 6.6.* (incl.)
  • unaffected from 6.12.78 to 6.12.* (incl.)
  • unaffected from 6.18.19 to 6.18.* (incl.)
  • unaffected from 6.19.9 to 6.19.* (incl.)
  • unaffected from 7.0 to * (incl.)

References