CVE-2018-9368

Local privilege escalation via unchecked debugfs write

Published Nov 19, 2024 · Updated Nov 21, 2024

Out-of-bounds write in Android mtksocaudio allows local users with system execution privileges to escalate privileges through debugfs. The mtkscoaudio debugfs handler permits an arbitrary kernel-memory write because it omits a bounds check, while weakened SELinux policy exposes the path. Exploitation requires system execution privileges on a MediaTek-based Android device and no user interaction; successful use gains higher local privileges.

CVSS severity7.8
High
EPSS probability0.09%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in Android mtksocaudio allows local users with system execution privileges to escalate privileges through debugfs. The mtkscoaudio debugfs handler permits an arbitrary kernel-memory write because it omits a bounds check, while weakened SELinux policy exposes the path. Exploitation requires system execution privileges on a MediaTek-based Android device and no user interaction; successful use gains higher local privileges.

The record

CVE
CVE-2018-9368
Published
Nov 19, 2024
Updated
Nov 21, 2024
Vendor
Google Cloud
Product
Android
Classifications
CWE-787, T1404
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Nov 19, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 21, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=SoCVersion

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

Google Cloud · Androidversion=SoCVersion

Published CVSS scores

6.7CISA-ADPCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1404Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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