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CVE-2025-38054

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: Limit signal/freq counts in summary output functions The debugfs summary output could access uninitialized elements i…

Published Jun 18, 2025CWE-908EPSS 0.19%

Overview

CVE-2025-38054 is a medium-severity vulnerability. It was published on June 18, 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:

ptp: ocp: Limit signal/freq counts in summary output functions

The debugfs summary output could access uninitialized elements in

the freq_in[] and signal_out[] arrays, causing NULL pointer

dereferences and triggering a kernel Oops (page_fault_oops).

This patch adds u8 fields (nr_freq_in, nr_signal_out) to track the

number of initialized elements, with a maximum of 4 per array.

The summary output functions are updated to respect these limits,

preventing out-of-bounds access and ensuring safe array handling.

Widen the label variables because the change confuses GCC about

max length of the strings.

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/0b7d3e782027ac3b6fec56159e8e348042000aefRefgit.kernel.org/stable/c/c9e455581e2ba87ee38c126e8dc49a424b9df0cfRefgit.kernel.org/stable/c/fcad74f894ac89790084cc2e1ec61b08220941d1

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38054?

CVE-2025-38054 is a medium-severity vulnerability. It was published on June 18, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38054?

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-2025-38054?

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-2025-38054?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38054 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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