Vulnerability in Linux

CVE-2022-49389

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (19.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-49389: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Linux — versions 5.19, 4.19.247, 3ff67445750a84de67faaf52c6e1895cb09f2c56
  • Linux Kernel

References

Frequently asked questions

What is CVE-2022-49389?
CVE-2022-49389 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2025-02-26.
How severe is CVE-2022-49389?
Medium severity. CVSS v3 base score is 5.5 out of 10.