CVE-2025-38422: net: lan743x: Modify the EEPROM and OTP size for PCI1xxxx devices

Published Jul 25, 2025
·
Updated

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.

Affected Software

9 affected componentsFixes available
Linux Linux kernel
Linux Linux kernel>=4.19<6.1.142
Linux Linux kernel>=6.2<6.6.95
Linux Linux kernel>=6.7<6.12.35
Linux Linux kernel>=6.13<6.15.4
Debian Debian Linux=11.0
Microsoft azl3 kernel 6.6.96.1-1<6.6.96.1-1
6.6.96.1-1
Microsoft azl3 kernel 6.6.92.2-2<6.6.96.1-1
6.6.96.1-1
Microsoft cbl2 kernel 5.15.186.1-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.6.96.1-1

Event History

Jul 25, 2025
CVE Published
via MITRE·02:16 PM
Data Sourced
via MITRE·02:16 PM
DescriptionSeverity
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityAffected Software
Aug 7, 2025
Data Sourced
via Microsoft·12:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·07:00 AM
SeverityAffected Software
Updated
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
DescriptionSeverity

Frequently Asked Questions

1

What is the severity of CVE-2025-38422?

The CVE-2025-38422 vulnerability is characterized as having a moderate severity level.

2

How do I fix CVE-2025-38422?

To mitigate CVE-2025-38422, upgrade the Linux kernel to a version that includes the fix for this vulnerability.

3

Which versions of the Linux kernel are affected by CVE-2025-38422?

CVE-2025-38422 affects several versions of the Linux kernel, specifically between 4.19 and 6.12.35.

4

What type of systems are impacted by CVE-2025-38422?

CVE-2025-38422 impacts systems using the Linux kernel where the lan743x drivers are implemented on PCI1xxxx devices.

5

Is CVE-2025-38422 a remote vulnerability?

CVE-2025-38422 does not specifically denote remote exploitation potential, focusing on the EEPROM and OTP size modification instead.

Contact

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