What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 4.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-08 · updated 2026-06-17
• Weakness: CWE-362

Description

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.

Affected products

• 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 — fixed in 5.10.253, 5.15.203, 6.1.167, 6.12.78, 6.18.19, 6.19.9

How to fix

Upgrade to a fixed version: Linux kernel 5.10.253, 5.15.203, 6.1.167, 6.12.78. Check the vendor advisory for mitigations.

References

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

Get alerted when CVE-2026-43430 or the next vulnerability affects your stack