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CVE-2025-37933

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: octeon_ep: Fix host hang issue during device reboot When the host loses heartbeat messages from the device, the driver calls th…

Published May 20, 2025CWE-415EPSS 0.21%

Overview

CVE-2025-37933 is a medium-severity vulnerability. It was published on May 20, 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:

octeon_ep: Fix host hang issue during device reboot

When the host loses heartbeat messages from the device,

the driver calls the device-specific ndo_stop function,

which frees the resources. If the driver is unloaded in

this scenario, it calls ndo_stop again, attempting to free

resources that have already been freed, leading to a host

hang issue. To resolve this, dev_close should be called

instead of the device-specific stop function.dev_close

internally calls ndo_stop to stop the network interface

and performs additional cleanup tasks. During the driver

unload process, if the device is already down, ndo_stop

is not called.

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/34f42736b325287a7b2ce37e415838f539767bdaRefgit.kernel.org/stable/c/6d1052423518e7d0aece9af5e77bbc324face8f1Refgit.kernel.org/stable/c/7e1ca1bed3f66e00377f7d2147be390144924276Refgit.kernel.org/stable/c/c8d788f800f83b94d9db8b3dacc1d26be38a6ef4

How CyberStrike helps

Frequently asked questions

What is CVE-2025-37933?

CVE-2025-37933 is a medium-severity vulnerability. It was published on May 20, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-37933?

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-2025-37933?

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-2025-37933?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-37933 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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