CVE-2021-39647

MEDIUM

Android - Local Information Disclosure via Improper Locking in mon_smc_load_sp

Title source: llm

Description

In mon_smc_load_sp of gs101-sc/plat/samsung/exynos/soc/exynos9845/smc_booting.S, there is a possible reinitialization of TEE due to improper locking. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-198713939References: N/A

References (1)

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

https://source.android.com/security/bulletin/pixel/2021-12-01

Scores

CVSS v3 4.4

EPSS 0.0009

EPSS Percentile 0.8%

Attack Vector LOCAL

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

Details

CWE

CWE-667

Status published

Products (1)

google/android

Published Dec 15, 2021

Tracked Since Feb 18, 2026