CVE-2021-39814

MEDIUM

Android - Out-of-bounds Write in drm_fw.c ppmp_validate_wsm

Title source: llm

Description

In ppmp_validate_wsm of drm_fw.c, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-216792660References: N/A

References (1)

Core 1

Core References

Vendor Advisory x_refsource_misc

https://source.android.com/security/bulletin/pixel/2022-04-01

Scores

CVSS v3 6.7

EPSS 0.0011

EPSS Percentile 1.7%

Attack Vector LOCAL

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

Details

CWE

CWE-787

Status published

Products (1)

google/android

Published Apr 12, 2022

Tracked Since Feb 18, 2026