PT-2026-36392 · Linux · Linux Kernel

CVE-2026-31757

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Published

2026-03-31

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Updated

2026-05-08

CVSS v3.1

5.5

Medium

VectorAV: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 A memory leak occurs in the Linux kernel when the usb submit urb() function fails within the usbio probe() function. This happens because the previously allocated USB Request Block (URB)—a data structure used to manage USB transfers—is not freed during the error path.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Missing Release of Resource after Effective Lifetime

Memory Leak

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Weakness Enumeration

Related Identifiers

BDU:2026-12125
CVE-2026-31757

Affected Products

Linux Kernel