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CVE-2018-19985

4.6 · MEDIUM

The function hso_get_config_data in drivers/net/usb/hso.c in the Linux kernel through 4.19.8 reads if_num from the USB device (as a u8) and uses it to index a small array, resulting in an object ou…

Published Mar 21, 2019CWE-125EPSS 0.95%

Overview

CVE-2018-19985 is a medium-severity vulnerability. It was published on March 21, 2019 and has a CVSS 3.0 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The function hso_get_config_data in drivers/net/usb/hso.c in the Linux kernel through 4.19.8 reads if_num from the USB device (as a u8) and uses it to index a small array, resulting in an object out-of-bounds (OOB) read that potentially allows arbitrary read in the kernel address space.

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

Reflists.opensuse.org/opensuse-security-announce/2019-01/msg00023.htmlReflists.opensuse.org/opensuse-security-announce/2019-02/msg00007.htmlRefpacketstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlRefaccess.redhat.com/errata/RHSA-2019:3309Refaccess.redhat.com/errata/RHSA-2019:3517Refhexhive.epfl.ch/projects/perifuzz/Reflists.debian.org/debian-lts-announce/2019/03/msg00034.htmlReflists.debian.org/debian-lts-announce/2019/04/msg00004.htmlReflists.debian.org/debian-lts-announce/2019/05/msg00002.htmlRefseclists.org/bugtraq/2019/Jan/52

How CyberStrike helps

Frequently asked questions

What is CVE-2018-19985?

CVE-2018-19985 is a medium-severity vulnerability. It was published on March 21, 2019 and has a CVSS 3.0 base score of 4.6 (MEDIUM).

How severe is CVE-2018-19985?

This vulnerability has a CVSS 3.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-19985?

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-2018-19985?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-19985 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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