What is CVE-2025-38251?

CVE-2025-38251 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476), affecting Linux kernel versions from 5.7 onward and patched in 5.10.240, 5.15.187, 6.1.143 and others. CVE-2025-38251 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-38251?

CVE-2025-38251 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-2025-38251?

Yes, CVE-2025-38251 has been patched. Fixed versions include 5.10.240, 5.15.187, 6.1.143 and others. If you are running Linux kernel 5.7 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-38251 actively exploited?

CVE-2025-38251 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2025-38251

Medium

In the Linux kernel, the following vulnerability has been resolved: atm: clip: prevent NULL deref in clip_push() Blamed commit missed that vcc_destroy_socket() calls clip_push() with a NULL skb. If clip_devs is NULL, clip_push() then crashes when reading skb->truesize.

Package Linux Kernel

Published 2025-07-09

Last modified 2025-12-18

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

Weakness type

CWE-476

CVE-2025-38251 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.7 and later are affected. Fixed in 5.10.240, 5.15.187, 6.1.143, 6.6.96, 6.12.36, 6.15.5, 6.16 and their respective stable series.

Affected from

≥ 5.7

Fixed in

✓ 5.10.240 5.10.x ✓ 5.15.187 5.15.x ✓ 6.1.143 6.1.x ✓ 6.6.96 6.6.x ✓ 6.12.36 6.12.x ✓ 6.15.5 6.15.x ✓ 6.16

References

9 total

Kernel Git
https://git.kernel.org/stable/c/3c709dce16999bf6a1d2ce377deb5dd6fdd8cb08

Patch
Kernel Git
https://git.kernel.org/stable/c/41f6420ee845006354c004839fed07da71e34aee

Patch
Kernel Git
https://git.kernel.org/stable/c/88c88f91f4b3563956bb52e7a71a3640f7ece157

Patch
Kernel Git
https://git.kernel.org/stable/c/9199e8cb75f13a1650adcb3c6cad42789c43884e

Patch
Kernel Git
https://git.kernel.org/stable/c/a07005a77b18ae59b8471e7e4d991fa9f642b3c2

Patch

Showing 5 of 9 references View all on NVD

Details

CVE ID CVE-2025-38251

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-07-09

Modified 2025-12-18

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-38251?

CVE-2025-38251 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . It affects Linux kernel versions from 5.7 onward and has been patched in 5.10.240, 5.15.187, 6.1.143 and others. CVE-2025-38251 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-38251?

CVE-2025-38251 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-2025-38251?

Yes. CVE-2025-38251 has been patched. Fixed versions include 5.10.240, 5.15.187, 6.1.143 and others. If you are running Linux kernel 5.7 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-38251 actively exploited?

No. CVE-2025-38251 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.