CVE-2022-49389: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux Kernel: from 3.16.58, before 3.17 (fixed in 3.17); from 3.18.110, before 4.9.318 (fixed in 4.9.318); from 4.10, before 4.14.283 (fixed in 4.14.283); from 4.15, before 4.19.247 (fixed in 4.19.247); from 4.20, before 5.4.198 (fixed in 5.4.198); from 5.5, before 5.10.122 (fixed in 5.10.122); …

Published 2025-02-26. Last modified 2026-06-17.