CVE-2025-38110 Affecting kernel-tools package, versions <0:5.14.0-570.30.1.0.1.el9_6


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-ORACLE9-KERNELTOOLS-11339436
  • published30 Jul 2025
  • disclosed3 Jul 2025

Introduced: 3 Jul 2025

NewCVE-2025-38110  (opens in a new tab)

How to fix?

Upgrade Oracle:9 kernel-tools to version 0:5.14.0-570.30.1.0.1.el9_6 or higher.
This issue was patched in ELSA-2025-11861.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools package and not the kernel-tools package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

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

net/mdiobus: Fix potential out-of-bounds clause 45 read/write access

When using publicly available tools like 'mdio-tools' to read/write data from/to network interface and its PHY via C45 (clause 45) mdiobus, there is no verification of parameters passed to the ioctl and it accepts any mdio address. Currently there is support for 32 addresses in kernel via PHY_MAX_ADDR define, but it is possible to pass higher value than that via ioctl. While read/write operation should generally fail in this case, mdiobus provides stats array, where wrong address may allow out-of-bounds read/write.

Fix that by adding address verification before C45 read/write operation. While this excludes this access from any statistics, it improves security of read/write operation.

CVSS Base Scores

version 3.1