5.5
MEDIUM CVSS 3.1
CVE-2025-38138
dmaengine: ti: Add NULL check in udma_probe()
Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: Add NULL check in udma_probe() devm_kasprintf() returns NULL when memory allocation fails. Currently, udma_probe() does not check for this case, which results in a NULL pointer dereference. Add NULL check after devm_kasprintf() to prevent this issue.

INFO

Published Date :

July 3, 2025, 9:15 a.m.

Last Modified :

Dec. 17, 2025, 6:12 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2025-38138 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
1 Debian debian_linux
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
Add a NULL check after devm_kasprintf() to prevent null pointer dereference.
  • Apply the patch for the Linux kernel DMA engine.
  • Ensure NULL checks are present after memory allocation.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-38138 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-38138 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-38138 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-38138 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Dec. 17, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-476
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.186 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.142 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.15.3 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.34 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.94 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.6 up to (excluding) 5.10.239
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/643db430f4cbd91dd2b63c49d62d0abb6debc13b Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/9f133e04c62246353b8b1f0a679535c65161ebcf Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/b79e10050d9d1e200541d25751dd5cb8ec58483c Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/bc6ddff79835f71310a21645d8fcf08ec473e969 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/d61d5ba5bd5b0e39e30b34dcd92946e084bca0d0 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/ec1ea394c40523835bbedd8fc4934b77b461b6fe Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/fd447415e74bccd7362f760d4ea727f8e1ebfe91 Types: Patch
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html Types: Third Party Advisory
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Types: Third Party Advisory
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 03, 2025

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
    Added Reference https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Jul. 03, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: Add NULL check in udma_probe() devm_kasprintf() returns NULL when memory allocation fails. Currently, udma_probe() does not check for this case, which results in a NULL pointer dereference. Add NULL check after devm_kasprintf() to prevent this issue.
    Added Reference https://git.kernel.org/stable/c/643db430f4cbd91dd2b63c49d62d0abb6debc13b
    Added Reference https://git.kernel.org/stable/c/9f133e04c62246353b8b1f0a679535c65161ebcf
    Added Reference https://git.kernel.org/stable/c/b79e10050d9d1e200541d25751dd5cb8ec58483c
    Added Reference https://git.kernel.org/stable/c/bc6ddff79835f71310a21645d8fcf08ec473e969
    Added Reference https://git.kernel.org/stable/c/d61d5ba5bd5b0e39e30b34dcd92946e084bca0d0
    Added Reference https://git.kernel.org/stable/c/ec1ea394c40523835bbedd8fc4934b77b461b6fe
    Added Reference https://git.kernel.org/stable/c/fd447415e74bccd7362f760d4ea727f8e1ebfe91
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact