CVE-2018-9364

Secure boot bypass via partition-write command

Published Nov 19, 2024 · Updated Nov 20, 2024

Elevation of privilege in LG LAF Bootloader for Google Android SoCVersion allows local users to bypass secure boot through a special command. The LAF command accepts requests that modify protected partitions without preserving the secure-boot trust boundary. Access to an affected LG device's bootloader interface is required; the command format and affected SoC versions remain undisclosed.

CVSS severity7.5
High
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Elevation of privilege in LG LAF Bootloader for Google Android SoCVersion allows local users to bypass secure boot through a special command. The LAF command accepts requests that modify protected partitions without preserving the secure-boot trust boundary. Access to an affected LG device's bootloader interface is required; the command format and affected SoC versions remain undisclosed.

The record

CVE
CVE-2018-9364
Published
Nov 19, 2024
Updated
Nov 20, 2024
Vendor
Google Cloud
Product
Android
Classifications
CWE-203, T1542.003
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 19, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 20, 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 privilegesunauthenticated

What is affected?

Google Cloud · Androidversion=SoCVersion

Published CVSS scores

7.5NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-203Observable Discrepancy
T1542.003Bootkit

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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