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5.5
MEDIUM CVSS 3.1
CVE-2025-38645
net/mlx5: Check device memory pointer before usage
Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Check device memory pointer before usage Add a NULL check before accessing device memory to prevent a crash if dev->dm allocation in mlx5_init_once() fails.

INFO

Published Date :

Aug. 22, 2025, 4:15 p.m.

Last Modified :

Jan. 7, 2026, 5:36 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2025-38645 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
: Total Affected Vendor : 2 | Products : 2
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
Update the Linux kernel to the latest version to fix a memory access issue.
  • Ensure the Linux kernel is updated to the patched version.
  • Apply the provided security update for the Linux kernel.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-38645.

URL Resource
https://git.kernel.org/stable/c/3046b011d368162b1b9ca9453eee0fea930e0a93 Patch
https://git.kernel.org/stable/c/4249f1307932f1b6bbb8b7eba60d82f0b7e44430 Patch
https://git.kernel.org/stable/c/62d7cf455c887941ed6f105cd430ba04ee0b6c9f Patch
https://git.kernel.org/stable/c/70f238c902b8c0461ae6fbb8d1a0bbddc4350eea Patch
https://git.kernel.org/stable/c/9053a69abfb5680c2a95292b96df5d204bc0776f Patch
https://git.kernel.org/stable/c/da899a1fd7c40e2e4302af1db7d0b8540fb22283 Patch
https://git.kernel.org/stable/c/eebb225fe6c9103293807b8edabcbad59f9589bc Patch
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-38645 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-2025-38645 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-2025-38645 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-38645 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]

    Jan. 07, 2026

    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) 5.16 up to (excluding) 6.1.148 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.16 up to (excluding) 6.16.1 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.15.10 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.42 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.102 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.4 up to (excluding) 5.15.190
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/3046b011d368162b1b9ca9453eee0fea930e0a93 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/4249f1307932f1b6bbb8b7eba60d82f0b7e44430 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/62d7cf455c887941ed6f105cd430ba04ee0b6c9f Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/70f238c902b8c0461ae6fbb8d1a0bbddc4350eea Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/9053a69abfb5680c2a95292b96df5d204bc0776f Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/da899a1fd7c40e2e4302af1db7d0b8540fb22283 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/eebb225fe6c9103293807b8edabcbad59f9589bc Types: Patch
    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/msg00008.html
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 28, 2025

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/9053a69abfb5680c2a95292b96df5d204bc0776f
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 22, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Check device memory pointer before usage Add a NULL check before accessing device memory to prevent a crash if dev->dm allocation in mlx5_init_once() fails.
    Added Reference https://git.kernel.org/stable/c/3046b011d368162b1b9ca9453eee0fea930e0a93
    Added Reference https://git.kernel.org/stable/c/4249f1307932f1b6bbb8b7eba60d82f0b7e44430
    Added Reference https://git.kernel.org/stable/c/62d7cf455c887941ed6f105cd430ba04ee0b6c9f
    Added Reference https://git.kernel.org/stable/c/70f238c902b8c0461ae6fbb8d1a0bbddc4350eea
    Added Reference https://git.kernel.org/stable/c/da899a1fd7c40e2e4302af1db7d0b8540fb22283
    Added Reference https://git.kernel.org/stable/c/eebb225fe6c9103293807b8edabcbad59f9589bc
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