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

Published May 8, 2026
·
Updated

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 Software

15 affected components
Linux Linux kernel
Linux Linux kernel>=2.6.37<5.10.253
Linux Linux kernel>=5.11<5.15.203
Linux Linux kernel>=5.16<6.1.167
Linux Linux kernel>=6.2<6.6.130
Linux Linux kernel>=6.7<6.12.78
Linux Linux kernel>=6.13<6.18.19
Linux Linux kernel>=6.19<6.19.9
Linux Linux kernel=7.0-rc1
Linux Linux kernel=7.0-rc2
Linux Linux kernel=7.0-rc3
Linux Linux kernel=7.0-rc4
Linux Linux kernel=7.0-rc5
Linux Linux kernel=7.0-rc6
Linux Linux kernel=7.0-rc7

Event History

May 8, 2026
CVE Published
via MITRE·02:22 PM
Data Sourced
via MITRE·02:22 PM
Description
Data Sourced
via NVD·03:16 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-43430?

The severity of CVE-2026-43430 is classified as medium.

2

How do I fix CVE-2026-43430?

To fix CVE-2026-43430, update the Linux kernel to the latest version where the vulnerability has been addressed.

3

Which software is affected by CVE-2026-43430?

The affected software for CVE-2026-43430 is the Linux kernel.

4

What type of vulnerability is CVE-2026-43430?

CVE-2026-43430 is a race condition vulnerability related to the USB subsystem in the Linux kernel.

5

What are the potential impacts of CVE-2026-43430?

The potential impacts of CVE-2026-43430 include system instability or unexpected behavior in USB device handling.

Contact

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