CVE-2025-39876

MEDIUM

Linux Kernel - Info Disclosure

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: net: fec: Fix possible NPD in fec_enet_phy_reset_after_clk_enable() The function of_phy_find_device may return NULL, so we need to take care before dereferencing phy_dev.

References (9)

[Patch] https://git.kernel.org/stable/c/03e79de4608bdd48ad6eec272e196124cefaf798

[Patch] https://git.kernel.org/stable/c/20a3433d31c2d2bf70ab0abec75f3136b42ae66c

[Patch] https://git.kernel.org/stable/c/4fe53aaa4271a72fe5fe3e88a45ce01646b68dc5

[Patch] https://git.kernel.org/stable/c/5f1bb554a131e59b28482abad21f691390651752

[Patch] https://git.kernel.org/stable/c/8c60d12bba14dc655d2d948b1dbf390b3ae39cb8

[Patch] https://git.kernel.org/stable/c/93a699d6e92cfdfa9eb9dbb8c653b5322542ca4f

[Patch] https://git.kernel.org/stable/c/eb148d85e126c47d65be34f2a465d69432ca5541

[Patch] https://git.kernel.org/stable/c/fe78891f296ac05bf4e5295c9829ef822f3c32e7

[Third Party Advisory, Mailing List] https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html

Scores

CVSS v3 5.5

EPSS 0.0003

EPSS Percentile 6.5%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-476

Status published

Affected Products (14)

linux/linux_kernel < 4.20

linux/linux_kernel

debian/debian_linux

linux/Kernel < 5.4.300linux

linux/Kernel < 5.10.245linux

linux/Kernel < 5.15.194linux

linux/Kernel < 6.1.153linux

linux/Kernel < 6.6.107linux

linux/Kernel < 6.12.48linux

linux/Kernel < 6.16.8linux

Timeline

Published Sep 23, 2025

Tracked Since Feb 18, 2026