PT-2026-39089 · Linux · Linux Kernel

Published 2026-05-08 · Updated 2026-05-22 · CVE-2026-43428

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The usb control msg(), usb bulk msg(), and usb interrupt msg() APIs in usbcore allow unlimited timeout durations. Because these APIs utilize uninterruptible waits, a task can be hung indefinitely, and cannot be terminated without physically unplugging the target device.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2026-43428

OESA-2026-2416

Affected Products

Linux Kernel

References · 49

• https://nvd.nist.gov/vuln/detail/CVE-2025-68185 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-43047 · Security Note
• https://ubuntu.com/security/CVE-2026-43428 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-31704 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-31393 · Security Note
• https://git.kernel.org/stable/c/6c62935670acdbb7687ced20494923b66fbb0367 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-43212 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-71064 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-31771 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-31477 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-40324 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-43428 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-68288 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-39841 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-43048 · Security Note