Medium severity5.5NVD Advisory· Published Sep 23, 2025· Updated Jun 17, 2026

CVE-2025-39876

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

128

Linux/Kernelllm-fuzzy8 versions
(expand)+ 7 more
- (no CPE)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=4.19.153,<4.20
- cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc5:*:*:*:*:*:*
- (no CPE)range: 5.10
Debian/linux
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
osv-coords119 versions
pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7 pkg:linux/kernel pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7 pkg:rpm/suse/kernel-livepatch-SLE15-SP7_Update_6&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_74&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2016.0 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Micro%206.2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.2 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.2 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.2 pkg:rpm/suse/kernel-livepatch-SLE15-SP7-RT_Update_6&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6 pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.6 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_17&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.6 pkg:rpm/suse/kernel-livepatch-SLE15-SP6-RT_Update_17&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6 pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2016.0 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.6
< 6.12.0-160000.7.1+ 118 more
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150700.7.22.1
- (no CPE)range: < 5.4.300
- (no CPE)range: < 6.4.0-36.1
- (no CPE)range: < 6.4.0-36.1
- (no CPE)range: < 6.4.0-38.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.6.1.160000.2.4
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.6.1.160000.2.4
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150700.53.22.1.150700.17.15.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 1-150700.15.3.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.20.18.1
- (no CPE)range: < 6.4.0-150700.20.18.1
- (no CPE)range: < 6.4.0-150700.20.18.1
- (no CPE)range: < 6.4.0-150700.7.22.1
- (no CPE)range: < 6.4.0-150700.7.22.1
- (no CPE)range: < 4.12.14-122.280.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-36.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 4.12.14-122.280.1
- (no CPE)range: < 1-8.5.1
- (no CPE)range: < 6.4.0-36.1.21.13
- (no CPE)range: < 6.4.0-36.1
- (no CPE)range: < 6.4.0-36.1.21.13
- (no CPE)range: < 6.4.0-36.1
- (no CPE)range: < 6.4.0-36.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.6.1.160000.2.4
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 1-150700.1.3.1
- (no CPE)range: < 6.4.0-38.1
- (no CPE)range: < 6.4.0-38.1
- (no CPE)range: < 6.4.0-38.1
- (no CPE)range: < 4.12.14-122.280.1
- (no CPE)range: < 4.12.14-122.280.1
- (no CPE)range: < 4.12.14-122.280.1
- (no CPE)range: < 4.12.14-122.280.1
- (no CPE)range: < 4.12.14-122.280.1
- (no CPE)range: < 6.4.0-150600.8.55.1
- (no CPE)range: < 6.4.0-150600.8.55.1
- (no CPE)range: < 6.4.0-150600.8.55.1
- (no CPE)range: < 6.4.0-150600.8.55.1
- (no CPE)range: < 6.4.0-150600.8.55.1
- (no CPE)range: < 6.4.0-150600.8.55.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1.150600.12.34.2
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 1-150600.13.5.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 1-150600.1.3.1
- (no CPE)range: < 6.4.0-150600.10.58.1
- (no CPE)range: < 6.4.0-150600.10.58.1
- (no CPE)range: < 6.4.0-150600.10.58.1
- (no CPE)range: < 6.4.0-150600.10.58.1
- (no CPE)range: < 6.4.0-150600.10.58.1
- (no CPE)range: < 6.4.0-150600.10.58.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.6.1.160000.2.4
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.10.58.1
- (no CPE)range: < 6.4.0-150600.10.58.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1.150600.12.34.2

Patches

Vulnerability mechanics

References

git.kernel.org/stable/c/03e79de4608bdd48ad6eec272e196124cefaf798nvdPatch
git.kernel.org/stable/c/20a3433d31c2d2bf70ab0abec75f3136b42ae66cnvdPatch
git.kernel.org/stable/c/4fe53aaa4271a72fe5fe3e88a45ce01646b68dc5nvdPatch
git.kernel.org/stable/c/5f1bb554a131e59b28482abad21f691390651752nvdPatch
git.kernel.org/stable/c/8c60d12bba14dc655d2d948b1dbf390b3ae39cb8nvdPatch
git.kernel.org/stable/c/93a699d6e92cfdfa9eb9dbb8c653b5322542ca4fnvdPatch
git.kernel.org/stable/c/eb148d85e126c47d65be34f2a465d69432ca5541nvdPatch
git.kernel.org/stable/c/fe78891f296ac05bf4e5295c9829ef822f3c32e7nvdPatch
lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlnvdMailing ListThird Party Advisory

News mentions

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cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000