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CVE-2017-8071

5.5 · MEDIUM

drivers/hid/hid-cp2112.c in the Linux kernel 4.9.x before 4.9.9 uses a spinlock without considering that sleeping is possible in a USB HID request callback, which allows local users to cause a deni…

Published Apr 23, 2017CWE-404EPSS 0.40%

Overview

CVE-2017-8071 is a medium-severity vulnerability. It was published on April 23, 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

drivers/hid/hid-cp2112.c in the Linux kernel 4.9.x before 4.9.9 uses a spinlock without considering that sleeping is possible in a USB HID request callback, which allows local users to cause a denial of service (deadlock) via unspecified vectors.

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

Refwww.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.9Refwww.openwall.com/lists/oss-security/2017/04/16/4Refwww.securityfocus.com/bid/97991Refgit.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7a7b5df84b6b4e5d599c7289526eed96541a0654GitHubgithub.com/torvalds/linux/commit/7a7b5df84b6b4e5d599c7289526eed96541a0654Refwww.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.9Refwww.openwall.com/lists/oss-security/2017/04/16/4Refwww.securityfocus.com/bid/97991Refgit.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7a7b5df84b6b4e5d599c7289526eed96541a0654GitHubgithub.com/torvalds/linux/commit/7a7b5df84b6b4e5d599c7289526eed96541a0654

How CyberStrike helps

Frequently asked questions

What is CVE-2017-8071?

CVE-2017-8071 is a medium-severity vulnerability. It was published on April 23, 2017 and has a CVSS 3.0 base score of 5.5 (MEDIUM).

How severe is CVE-2017-8071?

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-2017-8071?

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-2017-8071?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-8071 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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