What is CVE-2021-39647?

CVE-2021-39647 is a medium-severity vulnerability in Google Android, classified under Improper Locking. CVSS score: 4.4/10. Published 2021-12-15.

How severe is CVE-2021-39647?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Vulnerability in Google Android

CVE-2021-39647

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

EPSS: 0.001 (0.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Google Android
N/a Android — versions Android kernel

Weakness classification (CWE)

CWE-667 — Improper Locking

References

security@android.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-39647?: CVE-2021-39647 is a medium-severity vulnerability in Google Android, classified under Improper Locking. CVSS score: 4.4/10. Published 2021-12-15.
How severe is CVE-2021-39647?: Medium severity. CVSS v3 base score is 4.4 out of 10.