CVE-2025-39876
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-23

Last updated on: 2025-11-03

Assigner: kernel.org

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.
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Meta Information
Published
2025-09-23
Last Modified
2025-11-03
Generated
2026-06-16
AI Q&A
2025-09-23
EPSS Evaluated
2026-06-14
NVD
CVE-2025-39876
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel 6.1
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Exploitability
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is in the Linux kernel's network driver for the fec device. The function of_phy_find_device may return NULL, but the code did not properly check for this before dereferencing the phy_dev pointer, which could lead to a null pointer dereference (NPD) and potentially cause a system crash or instability. The issue was fixed in the function fec_enet_phy_reset_after_clk_enable().

Impact Analysis

If exploited, this vulnerability could cause the Linux kernel to dereference a NULL pointer, leading to a kernel crash or system instability. This could result in denial of service or unexpected behavior in systems using the affected network driver.

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