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CVE-2018-10902

7.8 · HIGH

It was found that the raw midi kernel driver does not protect against concurrent access which leads to a double realloc (double free) in snd_rawmidi_input_params() and snd_rawmidi_output_status() w…

Published Aug 21, 2018CWE-416EPSS 0.52%

Overview

CVE-2018-10902 is a high-severity vulnerability. It was published on August 21, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

It was found that the raw midi kernel driver does not protect against concurrent access which leads to a double realloc (double free) in snd_rawmidi_input_params() and snd_rawmidi_output_status() which are part of snd_rawmidi_ioctl() handler in rawmidi.c file. A malicious local attacker could possibly use this for privilege escalation.

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.securityfocus.com/bid/105119Refwww.securitytracker.com/id/1041529Refaccess.redhat.com/errata/RHSA-2018:3083Refaccess.redhat.com/errata/RHSA-2018:3096Refaccess.redhat.com/errata/RHSA-2019:0415Refaccess.redhat.com/errata/RHSA-2019:0641Refaccess.redhat.com/errata/RHSA-2019:3217Refaccess.redhat.com/errata/RHSA-2019:3967Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10902Refgit.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=39675f7a7c7e7702f7d5341f1e0d01db746543a0

How CyberStrike helps

Frequently asked questions

What is CVE-2018-10902?

CVE-2018-10902 is a high-severity vulnerability. It was published on August 21, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2018-10902?

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-10902?

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-2018-10902?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-10902 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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