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CVE-2025-38610

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: powercap: dtpm_cpu: Fix NULL pointer dereference in get_pd_power_uw() The get_pd_power_uw() function can crash with a NULL poin…

Published Aug 19, 2025CWE-476EPSS 0.16%

Overview

CVE-2025-38610 is a medium-severity vulnerability. It was published on August 19, 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:

powercap: dtpm_cpu: Fix NULL pointer dereference in get_pd_power_uw()

The get_pd_power_uw() function can crash with a NULL pointer dereference

when em_cpu_get() returns NULL. This occurs when a CPU becomes impossible

during runtime, causing get_cpu_device() to return NULL, which propagates

through em_cpu_get() and leads to a crash when em_span_cpus() dereferences

the NULL pointer.

Add a NULL check after em_cpu_get() and return 0 if unavailable,

matching the existing fallback behavior in __dtpm_cpu_setup().

[ rjw: Drop an excess empty code line ]

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/27914f2b795e2b58e9506f281dcdd98fef09d3c2Refgit.kernel.org/stable/c/27e0318f0ea69fcfa32228847debc384ade14578Refgit.kernel.org/stable/c/2fd001a0075ac01dc64a28a8e21226b3d989a91dRefgit.kernel.org/stable/c/46dc57406887dd02565cb264224194a6776d882bRefgit.kernel.org/stable/c/8374ac7d69a57d737e701a851ffe980a0d27d3adRefgit.kernel.org/stable/c/c6ec27091cf5ac05094c1fe3a6ce914cf711a37cReflists.debian.org/debian-lts-announce/2025/10/msg00008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38610?

CVE-2025-38610 is a medium-severity vulnerability. It was published on August 19, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38610?

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-2025-38610?

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-2025-38610?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38610 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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