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CVE-2025-39719

7.1 · HIGH

In the Linux kernel, the following vulnerability has been resolved: iio: imu: bno055: fix OOB access of hw_xlate array Fix a potential out-of-bounds array access of the hw_xlate array in bno055.c.

Published Sep 5, 2025CWE-125EPSS 0.15%

Overview

CVE-2025-39719 is a high-severity vulnerability. It was published on September 5, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, 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:

iio: imu: bno055: fix OOB access of hw_xlate array

Fix a potential out-of-bounds array access of the hw_xlate array in

bno055.c.

In bno055_get_regmask(), hw_xlate was iterated over the length of the

vals array instead of the length of the hw_xlate array. In the case of

bno055_gyr_scale, the vals array is larger than the hw_xlate array,

so this could result in an out-of-bounds access. In practice, this

shouldn't happen though because a match should always be found which

breaks out of the for loop before it iterates beyond the end of the

hw_xlate array.

By adding a new hw_xlate_len field to the bno055_sysfs_attr, we can be

sure we are iterating over the correct length.

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/399b883ec828e436f1a721bf8551b4da8727e65bRefgit.kernel.org/stable/c/4808ca3aa30ae857454d0b41d2d0bf161a312b45Refgit.kernel.org/stable/c/50e823a23816b792daf6e8405f8d6045952bb90eRefgit.kernel.org/stable/c/5c2b601922c064f7be70ae8621277f18d1ffec59Refgit.kernel.org/stable/c/a0691ab6334f1769acc64ea9e319414a682ff45dReflists.debian.org/debian-lts-announce/2025/10/msg00008.htmlRefcert-portal.siemens.com/productcert/html/ssa-032379.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-39719?

CVE-2025-39719 is a high-severity vulnerability. It was published on September 5, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2025-39719?

This vulnerability has a CVSS 3.1 base score of 7.1, 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-2025-39719?

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-2025-39719?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-39719 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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