Medium severity · published Sep 23, 2025
CVE-2025-39876
net: fec: Fix possible NPD in fec_enet_phy_reset_after_clk_enable()
5.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
4.19.153 before 4.20; 5.4.73 before 5.4.300; 5.8.17 before 5.9; 5.9.2 before 5.10.245; 5.11 before 5.15.194; 5.16 before 6.1.153; +8 more · source: NVD
LI
Linux · Linux
9e70485b40c8306298adea8bdc867ca27f88955a before 8c60d12bba14dc655d2d948b1dbf390b3ae39cb8; 64a632da538a6827fad0ea461925cedb9899ebe2 before 20a3433d31c2d2bf70ab0abec75f3136b42ae66c; 64a632da538a6827fad0ea461925cedb9899ebe2 before 93a699d6e92cfdfa9eb9dbb8c653b5322542ca4f; 64a632da538a6827fad0ea461925cedb9899ebe2 before 5f1bb554a131e59b28482abad21f691390651752; 64a632da538a6827fad0ea461925cedb9899ebe2 before fe78891f296ac05bf4e5295c9829ef822f3c32e7; 64a632da538a6827fad0ea461925cedb9899ebe2 before 4fe53aaa4271a72fe5fe3e88a45ce01646b68dc5; +10 more · source: vendor
DL
Debian Linux · Debian
11.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-39876
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-39876
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
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