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CVE-2025-38725

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: net: usb: asix_devices: add phy_mask for ax88772 mdio bus Without setting phy_mask for ax88772 mdio bus, current driver may cre…

Published Sep 4, 2025CWE-476EPSS 0.16%

Overview

CVE-2025-38725 is a medium-severity vulnerability. It was published on September 4, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

net: usb: asix_devices: add phy_mask for ax88772 mdio bus

Without setting phy_mask for ax88772 mdio bus, current driver may create

at most 32 mdio phy devices with phy address range from 0x00 ~ 0x1f.

DLink DUB-E100 H/W Ver B1 is such a device. However, only one main phy

device will bind to net phy driver. This is creating issue during system

suspend/resume since phy_polling_mode() in phy_state_machine() will

directly deference member of phydev->drv for non-main phy devices. Then

NULL pointer dereference issue will occur. Due to only external phy or

internal phy is necessary, add phy_mask for ax88772 mdio bus to workarnoud

the issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/4faff70959d51078f9ee8372f8cff0d7045e4114Refgit.kernel.org/stable/c/59ed6fbdb1bc03316e09493ffde7066f031c7524Refgit.kernel.org/stable/c/75947d3200de98a9ded9ad8972e02f1a177097feRefgit.kernel.org/stable/c/a754ab53993b1585132e871c5d811167ad3c52ffRefgit.kernel.org/stable/c/ad1f8313aeec0115f9978bd2d002ef4a8d96c773Refgit.kernel.org/stable/c/ccef5ee4adf56472aa26bdd1f821a6d0cd06089aRefgit.kernel.org/stable/c/ee2cd40b0bb46056949a2319084a729d95389386Reflists.debian.org/debian-lts-announce/2025/10/msg00008.htmlRefcert-portal.siemens.com/productcert/html/ssa-019113.htmlRefcert-portal.siemens.com/productcert/html/ssa-032379.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38725?

CVE-2025-38725 is a medium-severity vulnerability. It was published on September 4, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38725?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-38725?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-38725?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38725 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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