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CVE-2017-17975

5.5 · MEDIUM

Use-after-free in the usbtv_probe function in drivers/media/usb/usbtv/usbtv-core.c in the Linux kernel through 4.14.10 allows attackers to cause a denial of service (system crash) or possibly have…

Published Dec 30, 2017CWE-416EPSS 0.40%

Overview

CVE-2017-17975 is a medium-severity vulnerability. It was published on December 30, 2017 and has a CVSS 3.0 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.0 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

Use-after-free in the usbtv_probe function in drivers/media/usb/usbtv/usbtv-core.c in the Linux kernel through 4.14.10 allows attackers to cause a denial of service (system crash) or possibly have unspecified other impact by triggering failure of audio registration, because a kfree of the usbtv data structure occurs during a usbtv_video_free call, but the usbtv_video_fail label's code attempts to both access and free this data structure.

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

Reflinuxtesting.org/pipermail/ldv-project/2017-November/001008.htmlRefwww.securityfocus.com/bid/102330Refusn.ubuntu.com/3653-1/Refusn.ubuntu.com/3653-2/Refusn.ubuntu.com/3654-1/Refusn.ubuntu.com/3654-2/Refusn.ubuntu.com/3656-1/Refusn.ubuntu.com/3657-1/Refwww.debian.org/security/2018/dsa-4188Reflinuxtesting.org/pipermail/ldv-project/2017-November/001008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2017-17975?

CVE-2017-17975 is a medium-severity vulnerability. It was published on December 30, 2017 and has a CVSS 3.0 base score of 5.5 (MEDIUM).

How severe is CVE-2017-17975?

This vulnerability has a CVSS 3.0 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-2017-17975?

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-2017-17975?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-17975 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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