What is CVE-2022-49389?

CVE-2022-49389 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 3.16.58 onward and patched in 4.9.318, 4.14.283, 4.19.247 and others. CVE-2022-49389 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49389?

CVE-2022-49389 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-49389?

Yes, CVE-2022-49389 has been patched. Fixed versions include 4.9.318, 4.14.283, 4.19.247 and others. If you are running Linux kernel 3.16.58 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49389 actively exploited?

CVE-2022-49389 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49389

Medium

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.

Package Linux Kernel

Published 2025-02-26

Last modified 2025-10-01

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected versions

Linux kernel versions 3.16.58, 3.18.110, 3.19 and later are affected. Fixed in 4.9.318, 4.14.283, 4.19.247, 5.4.198, 5.10.122, 5.15.47, 5.17.15, 5.18.4, 5.19 and their respective stable series.

Affected from

≥ 3.16.58 ≥ 3.18.110 ≥ 3.19

Fixed in

✓ 4.9.318 4.9.x ✓ 4.14.283 4.14.x ✓ 4.19.247 4.19.x ✓ 5.4.198 5.4.x ✓ 5.10.122 5.10.x ✓ 5.15.47 5.15.x ✓ 5.17.15 5.17.x ✓ 5.18.4 5.18.x ✓ 5.19

References

The following references provide additional information about CVE-2022-49389 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/11c65408bd0ba1d9cd1307caa38169292de9cdfb
Patch
Kernel patch commit
https://git.kernel.org/stable/c/247d3809e45a34d9e1a3a2bb7012e31ed8b46031
Patch
Kernel patch commit
https://git.kernel.org/stable/c/2f0ae93ec33c8456cdfbf7876b80403a6318ebce
Patch

9 patch commits total View all on NVD

Details

CVE ID CVE-2022-49389

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-02-26

Modified 2025-10-01

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-49389?

CVE-2022-49389 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 3.16.58 onward and has been patched in 4.9.318, 4.14.283, 4.19.247 and others. CVE-2022-49389 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49389?

CVE-2022-49389 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-49389?

Yes — CVE-2022-49389 has been patched. Fixed versions include 4.9.318, 4.14.283, 4.19.247 and others. If you are running Linux kernel 3.16.58 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49389 actively exploited?

No — CVE-2022-49389 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.