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CVE-2025-38497

7.1 · HIGH

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: configfs: Fix OOB read on empty string write When writing an empty string to either 'qw_sign' or 'landingPage' sys…

Published Jul 28, 2025CWE-125EPSS 0.16%

Overview

CVE-2025-38497 is a high-severity vulnerability. It was published on July 28, 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:

usb: gadget: configfs: Fix OOB read on empty string write

When writing an empty string to either 'qw_sign' or 'landingPage'

sysfs attributes, the store functions attempt to access page[l - 1]

before validating that the length 'l' is greater than zero.

This patch fixes the vulnerability by adding a check at the beginning

of os_desc_qw_sign_store() and webusb_landingPage_store() to handle

the zero-length input case gracefully by returning immediately.

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/15a87206879951712915c03c8952a73d6a74721eRefgit.kernel.org/stable/c/22b7897c289cc25d99c603f5144096142a30d897Refgit.kernel.org/stable/c/2798111f8e504ac747cce911226135d50b8de468Refgit.kernel.org/stable/c/3014168731b7930300aab656085af784edc861f6Refgit.kernel.org/stable/c/58bdd5160184645771553ea732da5c2887fc9bd1Refgit.kernel.org/stable/c/783ea37b237a9b524f1e5ca018ea17d772ee0ea0Refgit.kernel.org/stable/c/78b41148cfea2a3f04d87adf3a71b21735820a37Refgit.kernel.org/stable/c/d68b7c8fefbaeae8f065b84e40cf64baf4cc0c76Reflists.debian.org/debian-lts-announce/2025/10/msg00007.htmlReflists.debian.org/debian-lts-announce/2025/10/msg00008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38497?

CVE-2025-38497 is a high-severity vulnerability. It was published on July 28, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2025-38497?

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-2025-38497?

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-2025-38497?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38497 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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