PT-2021-22692 · Google · Android Kernel

Published 2021-12-15 · Updated 2021-12-21 · CVE-2021-39647

Positive Technologies (AI Summary)

CVSS v2.0

2.1

Low

Base vector

AV:L/AC:L/Au:N/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions: Android kernel

Description: The issue is related to a possible reinitialization of TEE due to improper locking in the mon smc load sp function of gs101-sc/plat/samsung/exynos/soc/exynos9845/smc booting.S. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Locking

Weakness Enumeration

CWE-667

Related Identifiers

CVE-2021-39647

Affected Products

Android Kernel

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2021-39647 · Security Note
• https://source.android.com/security/bulletin/pixel/2021-12-01 · Vendor Advisory
• https://t.me/cvenotify/24666 · Telegram Post