CVE-2026-31757

usb: misc: usbio: Fix URB memory leak on submit failure

published May 1, 2026

CVSS
—
EPSS
0%
Percentile
4.8
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

usb: misc: usbio: Fix URB memory leak on submit failure

When usb_submit_urb() fails in usbio_probe(), the previously allocated

URB is never freed, causing a memory leak.

Fix this by jumping to err_free_urb label to properly release the URB

on the error path.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00160 · 4.8th percentile
Published
2026-05-01T14:14Z
EPSS history
Timeline
  • 01 MAY 14:14Z
    usb: misc: usbio: Fix URB memory leak on submit failure
    cvelistv5