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

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于lan743x网络模块中EEPROM和OTP大小定义错误，可能导致越界读写。

CVSS 7.8 · High EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux 695846047aa9b4bb387473a9fd227a51ae7de5e9< 6b4201d74d0a49af2123abf2c9d142e59566714b affected
695846047aa9b4bb387473a9fd227a51ae7de5e9< 088279ff18cdc437d6fac5890e0c52c624f78a5b affected
695846047aa9b4bb387473a9fd227a51ae7de5e9< 51318d644c993b3f7a60b8616a6a5adc1e967cd2 affected
695846047aa9b4bb387473a9fd227a51ae7de5e9< 9c41d2a2aa3817946eb613522200cab55513ddaa affected
695846047aa9b4bb387473a9fd227a51ae7de5e9< 3b9935586a9b54d2da27901b830d3cf46ad66a1e affected
4.19 affected
< 4.19 unaffected
6.1.142≤ 6.1.* unaffected
… +4 more rows
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I. Basic Information for CVE-2025-38422

Vulnerability Information
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Vulnerability Title
net: lan743x: Modify the EEPROM and OTP size for PCI1xxxx devices
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于lan743x网络模块中EEPROM和OTP大小定义错误，可能导致越界读写。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 695846047aa9b4bb387473a9fd227a51ae7de5e9 ~ 6b4201d74d0a49af2123abf2c9d142e59566714b -
Linux Linux 4.19 -

II. Public POCs for CVE-2025-38422

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III. Intelligence Information for CVE-2025-38422

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Patches & Fixes for CVE-2025-38422 (1)

Same Patch Batch · Linux · 2025-07-25 · 114 CVEs total

CVE-2025-38429 10.0 CRITICAL bus: mhi: ep: Update read pointer only after buffer is written
CVE-2025-38411 9.8 CRITICAL netfs: Fix double put of request
CVE-2025-38430 9.8 CRITICAL nfsd: nfsd4_spo_must_allow() must check this is a v4 compound request
CVE-2025-38439 9.8 CRITICAL bnxt_en: Set DMA unmap len correctly for XDP_REDIRECT
CVE-2025-38365 9.1 CRITICAL btrfs: fix a race between renames and directory logging
CVE-2025-38377 8.8 HIGH rose: fix dangling neighbour pointers in rose_rt_device_down()
CVE-2025-38437 8.8 HIGH ksmbd: fix potential use-after-free in oplock/lease break ack
CVE-2025-38367 8.8 HIGH LoongArch: KVM: Avoid overflow with array index
CVE-2025-38375 8.4 HIGH virtio-net: ensure the received length does not exceed allocated size
CVE-2025-38395 8.4 HIGH regulator: gpio: Fix the out-of-bounds access to drvdata::gpiods
CVE-2025-38447 7.8 HIGH mm/rmap: fix potential out-of-bounds page table access during batched unmap
CVE-2025-38412 7.8 HIGH platform/x86: dell-wmi-sysman: Fix WMI data block retrieval in sysfs callbacks
CVE-2025-38435 7.8 HIGH riscv: vector: Fix context save/restore with xtheadvector
CVE-2025-38434 7.8 HIGH Revert "riscv: Define TASK_SIZE_MAX for __access_ok()"
CVE-2025-38449 7.8 HIGH drm/gem: Acquire references on GEM handles for framebuffers
CVE-2025-38382 7.8 HIGH btrfs: fix iteration of extrefs during log replay
CVE-2025-38386 7.8 HIGH ACPICA: Refuse to evaluate a method if arguments are missing
CVE-2025-38408 7.8 HIGH genirq/irq_sim: Initialize work context pointers properly
CVE-2025-38396 7.8 HIGH fs: export anon_inode_make_secure_inode() and fix secretmem LSM bypass
CVE-2025-38401 7.8 HIGH mtk-sd: Prevent memory corruption from DMA map failure

Showing top 20 of 114 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-38422

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