CVE-2018-9547

HIGH

Android 8.1-9 - Local Privilege Escalation via GraphicBuffer Unflatten Input Validation

Title source: llm

Description

In unflatten of GraphicBuffer.cpp, there is a possible bad fd close due to improper input validation. This could lead to local escalation of privilege in the system server with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-8.1 Android-9. Android ID: A-114223584.

References (2)

Core 2

Core References

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/106067

Patch, Vendor Advisory x_refsource_confirm

https://source.android.com/security/bulletin/2018-12-01

Scores

CVSS v3 7.8

EPSS 0.0017

EPSS Percentile 6.4%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-20

Status published

Products (2)

google/android 8.1

google/android 9.0

Published Dec 06, 2018

Tracked Since Feb 18, 2026