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CVE-2025-38694

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: media: dvb-frontends: dib7090p: fix null-ptr-deref in dib7090p_rw_on_apb() In dib7090p_rw_on_apb, msg is controlled by user.

Published Sep 4, 2025CWE-476EPSS 0.18%

Overview

CVE-2025-38694 is a medium-severity vulnerability. It was published on September 4, 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:

media: dvb-frontends: dib7090p: fix null-ptr-deref in dib7090p_rw_on_apb()

In dib7090p_rw_on_apb, msg is controlled by user. When msg[0].buf is null and

msg[0].len is zero, former checks on msg[0].buf would be passed. If accessing

msg[0].buf[2] without sanity check, null pointer deref would happen. We add

check on msg[0].len to prevent crash. Similar issue occurs when access

msg[1].buf[0] and msg[1].buf[1].

Similar commit: commit 0ed554fd769a ("media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()")

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/09906650484a09b3a4d4b3d3065395856810becdRefgit.kernel.org/stable/c/0bb32863426afe0badac25c28d59021f211d0f48Refgit.kernel.org/stable/c/19eb5d8e6aa1169d368a4d69aae5572950deb89dRefgit.kernel.org/stable/c/529fd5593b721e6f4370c591f5086649ed149ff6Refgit.kernel.org/stable/c/a0f744d6cdde81d7382e183f77a4080a39b206cdRefgit.kernel.org/stable/c/bc07cae4f36bb18d5b6a9ed835c1278ca44ec82eRefgit.kernel.org/stable/c/c33280d6bd668dbdc5a5f07887cc63a52ab4789cRefgit.kernel.org/stable/c/ce5cac69b2edac3e3246fee03e8f4c2a1075238bRefgit.kernel.org/stable/c/ce8b7c711b9c4f040b5419729d0972db8e374324Reflists.debian.org/debian-lts-announce/2025/10/msg00007.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38694?

CVE-2025-38694 is a medium-severity vulnerability. It was published on September 4, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38694?

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-2025-38694?

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-2025-38694?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38694 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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