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CVE-2025-38114

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: e1000: Move cancel_work_sync to avoid deadlock Previously, e1000_down called cancel_work_sync for the e1000 reset task (via e10…

Published Jul 3, 2025CWE-667EPSS 0.12%

Overview

CVE-2025-38114 is a medium-severity vulnerability. It was published on July 3, 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:

e1000: Move cancel_work_sync to avoid deadlock

Previously, e1000_down called cancel_work_sync for the e1000 reset task

(via e1000_down_and_stop), which takes RTNL.

As reported by users and syzbot, a deadlock is possible in the following

scenario:

CPU 0:

- RTNL is held

- e1000_close

- e1000_down

- cancel_work_sync (cancel / wait for e1000_reset_task())

CPU 1:

- process_one_work

- e1000_reset_task

- take RTNL

To remedy this, avoid calling cancel_work_sync from e1000_down

(e1000_reset_task does nothing if the device is down anyway). Instead,

call cancel_work_sync for e1000_reset_task when the device is being

removed.

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/1fd4438ddcc4958ed24662d5125114299e19bae4Refgit.kernel.org/stable/c/b4a8085ceefb7bbb12c2b71c55e71fc946c6929f

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38114?

CVE-2025-38114 is a medium-severity vulnerability. It was published on July 3, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38114?

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-2025-38114?

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-2025-38114?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38114 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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