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7.8
HIGH CVSS 3.1
CVE-2025-38422
net: lan743x: Modify the EEPROM and OTP size for PCI1xxxx devices
Description

In the Linux kernel, the following vulnerability has been resolved: net: lan743x: Modify the EEPROM and OTP size for PCI1xxxx devices Maximum OTP and EEPROM size for hearthstone PCI1xxxx devices are 8 Kb and 64 Kb respectively. Adjust max size definitions and return correct EEPROM length based on device. Also prevent out-of-bound read/write.

INFO

Published Date :

July 25, 2025, 3:15 p.m.

Last Modified :

Dec. 23, 2025, 6:41 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2025-38422 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 HIGH [email protected]
Solution
Update the Linux kernel and driver to fix EEPROM/OTP size issues and prevent buffer overflows.
  • Update the Linux kernel to the latest version.
  • Apply specific patches for the lan743x driver.
  • Configure EEPROM and OTP sizes correctly for PCI1xxxx devices.
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-2025-38422.

URL Resource
https://git.kernel.org/stable/c/088279ff18cdc437d6fac5890e0c52c624f78a5b Patch
https://git.kernel.org/stable/c/3b9935586a9b54d2da27901b830d3cf46ad66a1e Patch
https://git.kernel.org/stable/c/51318d644c993b3f7a60b8616a6a5adc1e967cd2 Patch
https://git.kernel.org/stable/c/6b4201d74d0a49af2123abf2c9d142e59566714b Patch
https://git.kernel.org/stable/c/9c41d2a2aa3817946eb613522200cab55513ddaa Patch
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Third Party Advisory Mailing List
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-38422 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-2025-38422 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-2025-38422 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-2025-38422 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. 23, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.95 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.15.4 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.35 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.19 up to (excluding) 6.1.142
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/088279ff18cdc437d6fac5890e0c52c624f78a5b Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/3b9935586a9b54d2da27901b830d3cf46ad66a1e Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/51318d644c993b3f7a60b8616a6a5adc1e967cd2 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/6b4201d74d0a49af2123abf2c9d142e59566714b Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/9c41d2a2aa3817946eb613522200cab55513ddaa Types: Patch
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Types: Mailing List, 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
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Jul. 25, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: net: lan743x: Modify the EEPROM and OTP size for PCI1xxxx devices Maximum OTP and EEPROM size for hearthstone PCI1xxxx devices are 8 Kb and 64 Kb respectively. Adjust max size definitions and return correct EEPROM length based on device. Also prevent out-of-bound read/write.
    Added Reference https://git.kernel.org/stable/c/088279ff18cdc437d6fac5890e0c52c624f78a5b
    Added Reference https://git.kernel.org/stable/c/3b9935586a9b54d2da27901b830d3cf46ad66a1e
    Added Reference https://git.kernel.org/stable/c/51318d644c993b3f7a60b8616a6a5adc1e967cd2
    Added Reference https://git.kernel.org/stable/c/6b4201d74d0a49af2123abf2c9d142e59566714b
    Added Reference https://git.kernel.org/stable/c/9c41d2a2aa3817946eb613522200cab55513ddaa
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: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact