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CVE-2018-10940

5.5 · MEDIUM

The cdrom_ioctl_media_changed function in drivers/cdrom/cdrom.c in the Linux kernel before 4.16.6 allows local attackers to use a incorrect bounds check in the CDROM driver CDROM_MEDIA_CHANGED ioct…

Published May 9, 2018CWE-119EPSS 0.54%

Overview

CVE-2018-10940 is a medium-severity vulnerability. It was published on May 9, 2018 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

The cdrom_ioctl_media_changed function in drivers/cdrom/cdrom.c in the Linux kernel before 4.16.6 allows local attackers to use a incorrect bounds check in the CDROM driver CDROM_MEDIA_CHANGED ioctl to read out kernel memory.

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/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9de4ee40547fd315d4a0ed1dd15a2fa3559ad707Refwww.securityfocus.com/bid/104154Refaccess.redhat.com/errata/RHSA-2018:2948Refaccess.redhat.com/errata/RHSA-2018:3083Refaccess.redhat.com/errata/RHSA-2018:3096GitHubgithub.com/torvalds/linux/commit/9de4ee40547fd315d4a0ed1dd15a2fa3559ad707Reflists.debian.org/debian-lts-announce/2018/06/msg00000.htmlReflists.debian.org/debian-lts-announce/2018/07/msg00015.htmlReflists.debian.org/debian-lts-announce/2018/07/msg00016.htmlReflists.debian.org/debian-lts-announce/2018/07/msg00020.html

How CyberStrike helps

Frequently asked questions

What is CVE-2018-10940?

CVE-2018-10940 is a medium-severity vulnerability. It was published on May 9, 2018 and has a CVSS 3.0 base score of 5.5 (MEDIUM).

How severe is CVE-2018-10940?

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-2018-10940?

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-2018-10940?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-10940 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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