What is CVE-2022-49310?

CVE-2022-49310 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.14 onward and patched in 5.15.47, 5.17.15, 5.18.4 and others. CVE-2022-49310 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49310?

CVE-2022-49310 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-2022-49310?

Yes, CVE-2022-49310 has been patched. Fixed versions include 5.15.47, 5.17.15, 5.18.4 and others. If you are running Linux kernel 5.14 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49310 actively exploited?

CVE-2022-49310 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49310

Medium

In the Linux kernel, the following vulnerability has been resolved: char: xillybus: fix a refcount leak in cleanup_dev() usb_get_dev is called in xillyusb_probe. So it is better to call usb_put_dev before xdev is released.

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 5.14 and later are affected. Fixed in 5.15.47, 5.17.15, 5.18.4, 5.19 and their respective stable series.

Affected from

≥ 5.14

Fixed in

✓ 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-2022-49310 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/21f1f167d727f3f857e26d509ef5a6d47fd31bc3
Patch
Kernel patch commit
https://git.kernel.org/stable/c/b67d19662fdee275c479d21853bc1239600a798f
Patch
Kernel patch commit
https://git.kernel.org/stable/c/bc8fceda3b89006e8a7dda8a097d36045d044c25
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2022-49310

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-2022-49310?

CVE-2022-49310 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.14 onward and has been patched in 5.15.47, 5.17.15, 5.18.4 and others. CVE-2022-49310 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49310?

CVE-2022-49310 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-2022-49310?

Yes — CVE-2022-49310 has been patched. Fixed versions include 5.15.47, 5.17.15, 5.18.4 and others. If you are running Linux kernel 5.14 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49310 actively exploited?

No — CVE-2022-49310 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.