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CVE-2025-38422

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

HIGH
7.8
CVSS Score
Published: July 25, 2025 at 02:16 PM UTC
Updated: August 5, 2026 at 12:44 PM UTC
2 products affected across 2 vendorsLinux KernelDebian Linux

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux· Debiandrupal
95%
11.0
Linux Kernel· Linux
95%
4.19 ≤ v < 6.1.1424.19 ≤ v < 6.12.354.19 ≤ v < 6.15.44.19 ≤ v < 6.164.19 ≤ v < 6.6.956.13 ≤ v < 6.15.46.2 ≤ v < 6.6.956.7 ≤ v < 6.12.354.19695846047aa9b4bb387473a9fd227a51ae7de5e9
Vendor states this is fixed in 088279ff18cdc437d6fac5890e0c52c624f78a5b (fixed)
Vendor states this is fixed in 3b9935586a9b54d2da27901b830d3cf46ad66a1e (fixed)
Vendor states this is fixed in 51318d644c993b3f7a60b8616a6a5adc1e967cd2 (fixed)
Vendor states this is fixed in 6b4201d74d0a49af2123abf2c9d142e59566714b (fixed)
Vendor states this is fixed in 9c41d2a2aa3817946eb613522200cab55513ddaa (fixed)
Vendor states this is fixed in 4.19 (unaffected)
Vendor states this is fixed in 6.1.142 (unaffected)
Vendor states this is fixed in 6.12.35 (unaffected)
Vendor states this is fixed in 6.15.4 (unaffected)
Vendor states this is fixed in 6.16 (unaffected)
Vendor states this is fixed in 6.6.95 (unaffected)

References (6)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/088279ff18cdc437d6fac5890e0c52c624f78a5b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3b9935586a9b54d2da27901b830d3cf46ad66a1e
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/51318d644c993b3f7a60b8616a6a5adc1e967cd2
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6b4201d74d0a49af2123abf2c9d142e59566714b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9c41d2a2aa3817946eb613522200cab55513ddaa
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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