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CVE-2025-38456

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: ipmi:msghandler: Fix potential memory corruption in ipmi_create_user() The "intf" list iterator is an invalid pointer if the co…

Published Jul 25, 2025CWE-787EPSS 0.18%

Overview

CVE-2025-38456 is a high-severity vulnerability. It was published on July 25, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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:

ipmi:msghandler: Fix potential memory corruption in ipmi_create_user()

The "intf" list iterator is an invalid pointer if the correct

"intf->intf_num" is not found. Calling atomic_dec(&intf->nr_users) on

and invalid pointer will lead to memory corruption.

We don't really need to call atomic_dec() if we haven't called

atomic_add_return() so update the if (intf->in_shutdown) path as well.

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/7c1a6ddb99858e7d68961f74ae27caeeeca67b6aRefgit.kernel.org/stable/c/9e0d33e75c1604c3fad5586ad4dfa3b2695a3950Refgit.kernel.org/stable/c/cbc1670297f675854e982d23c8583900ff0cc67aRefgit.kernel.org/stable/c/e2d5c005dfc96fe857676d1d8ac46b29275cb89bRefgit.kernel.org/stable/c/fa332f5dc6fc662ad7d3200048772c96b861cf6bReflists.debian.org/debian-lts-announce/2025/10/msg00008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38456?

CVE-2025-38456 is a high-severity vulnerability. It was published on July 25, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-38456?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-38456?

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-2025-38456?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38456 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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