CVE-2025-38422

net: lan743x: Modify the EEPROM and OTP size for PCI1xxxx devices

CVE-2025-38422 is fixed in linux on 1 platform, first by DEBIAN-CVE-2025-38422, released July 25, 2025. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.8

Important

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0020

10th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
linux · Debian 12.15 (bookworm)	6.1.147-1	DEBIAN-CVE-2025-38422	Jul 25, 2025
linux · Debian 13.5 (trixie)	6.12.35-1	DEBIAN-CVE-2025-38422	Jul 25, 2025
linux · Debian 14	6.12.35-1	DEBIAN-CVE-2025-38422	Jul 25, 2025

Details

Published
July 25, 2025
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-38422

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