CVE-2025-38251
MediumIn 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.
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-476CVE-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.
References
The following references provide additional information about CVE-2025-38251 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
-
Mailing List Third Party Advisory
-
Mailing List Third Party Advisory
-
PatchKernel patch commithttps://git.kernel.org/stable/c/3c709dce16999bf6a1d2ce377deb5dd6fdd8cb08
-
PatchKernel patch commithttps://git.kernel.org/stable/c/41f6420ee845006354c004839fed07da71e34aee
-
PatchKernel patch commithttps://git.kernel.org/stable/c/88c88f91f4b3563956bb52e7a71a3640f7ece157
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.
-
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. View CWE-476 on MITRE CWE →