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

What is CVE-2026-43430?

CVE-2026-43430 is a medium-severity vulnerability in Linux kernel, published on 8 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-362

Which versions are affected by CVE-2026-43430?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2026-43430?

Apply the vendor's patch.

Is CVE-2026-43430 being exploited?

There is no known exploitation of CVE-2026-43430 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2026-43430, DEBIAN-CVE-2026-43430, GHSA-gvc8-8g78-x3hg, ROOT-OS-DEBIAN-11-CVE-2026-43430, ROOT-OS-UBUNTU-2204-CVE-2026-43430, ROOT-OS-UBUNTU-2404-CVE-2026-43430 and 1 more.