CVE-2022-49389

usb: usbip: fix a refcount leak in stub_probe()

Medium · published February 26, 2025

CVSS v3.1
5.5
EPSS
0%
Percentile
20.5
In the wild
Unconfirmed
What it is

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

usb: usbip: fix a refcount leak in stub_probe()

usb_get_dev() is called in stub_device_alloc(). When stub_probe() fails

after that, usb_put_dev() needs to be called to release the reference.

Fix this by moving usb_put_dev() to sdev_free error path handling.

Find this by code review.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00291 · 20.5th percentile
Published
2025-02-26T02:11Z
EPSS history
Timeline
  • 26 FEB 02:11Z
    usb: usbip: fix a refcount leak in stub_probe()
    cvelistv5