What is CVE-2025-22042?

CVE-2025-22042 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.15 onward and patched in 6.1.134, 6.6.87, 6.12.23 and others. CVE-2025-22042 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-22042?

CVE-2025-22042 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-2025-22042?

Yes, CVE-2025-22042 has been patched. Fixed versions include 6.1.134, 6.6.87, 6.12.23 and others. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-22042 actively exploited?

CVE-2025-22042 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2025-22042

Medium

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add bounds check for create lease context Add missing bounds check for create lease context.

Package Linux Kernel

Published 2025-04-16

Last modified 2026-04-06

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 5.15 and later are affected. Fixed in 6.1.134, 6.6.87, 6.12.23, 6.13.11, 6.14.2, 6.15 and their respective stable series.

Affected from

≥ 5.15

Fixed in

✓ 6.1.134 6.1.x ✓ 6.6.87 6.6.x ✓ 6.12.23 6.12.x ✓ 6.13.11 6.13.x ✓ 6.14.2 6.14.x ✓ 6.15

References

The following references provide additional information about CVE-2025-22042 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

Third Party Advisory Mailing List
Kernel patch commit
https://git.kernel.org/stable/c/60b7207893a8a06c78441934931a08fdad63f18e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/629dd37acc336ad778979361c351e782053ea284
Patch
Kernel patch commit
https://git.kernel.org/stable/c/800c482c9ef5910f05e3a713943c67cc6c1d4939
Patch

6 patch commits total View all on NVD

Details

CVE ID CVE-2025-22042

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-04-16

Modified 2026-04-06

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-22042?

CVE-2025-22042 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.15 onward and has been patched in 6.1.134, 6.6.87, 6.12.23 and others. CVE-2025-22042 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-22042?

CVE-2025-22042 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-2025-22042?

Yes — CVE-2025-22042 has been patched. Fixed versions include 6.1.134, 6.6.87, 6.12.23 and others. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-22042 actively exploited?

No — CVE-2025-22042 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.