What is CVE-2025-22101?

CVE-2025-22101 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.5 onward and patched in 6.12.36, 6.14.2 and 6.15. CVE-2025-22101 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-22101?

CVE-2025-22101 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-2025-22101?

Yes, CVE-2025-22101 has been patched. Fixed versions include 6.12.36, 6.14.2 and 6.15. If you are running Linux kernel 6.5 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-22101 actively exploited?

CVE-2025-22101 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2025-22101

Medium

In the Linux kernel, the following vulnerability has been resolved: net: libwx: fix Tx L4 checksum The hardware only supports L4 checksum offload for TCP/UDP/SCTP protocol. There was a bug to set Tx checksum flag for the other protocol that results in Tx ring hang. Fix to compute software checksum for these packets.

Package Linux Kernel

Published 2025-04-16

Last modified 2025-11-04

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 6.5 and later are affected. Fixed in 6.12.36, 6.14.2, 6.15 and their respective stable series.

Affected from

≥ 6.5

Fixed in

✓ 6.12.36 6.12.x ✓ 6.14.2 6.14.x ✓ 6.15

References

The following references provide additional information about CVE-2025-22101 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/5f583e059eced1857f41e221ef5951e029e632bd
Patch
Kernel patch commit
https://git.kernel.org/stable/c/6d56ea133adf0389b216ba6e47f7f35e95776713
Patch
Kernel patch commit
https://git.kernel.org/stable/c/c7d82913d5f9e97860772ee4051eaa66b56a6273
Patch

Details

CVE ID CVE-2025-22101

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-04-16

Modified 2025-11-04

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-22101?

CVE-2025-22101 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.5 onward and has been patched in 6.12.36, 6.14.2 and 6.15. CVE-2025-22101 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-22101?

CVE-2025-22101 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-2025-22101?

Yes — CVE-2025-22101 has been patched. Fixed versions include 6.12.36, 6.14.2 and 6.15. If you are running Linux kernel 6.5 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-22101 actively exploited?

No — CVE-2025-22101 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.