CVE-2021-39647 — MEDIUM (4.4)

Vulnerability 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

CVSS Score

4.4

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Google	Android	-

Related Weaknesses (CWE)

CWE-667

References

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

FAQ

What is CVE-2021-39647?

CVE-2021-39647 is a vulnerability with a CVSS score of 4.4 (MEDIUM). 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 wi...

How severe is CVE-2021-39647?

CVE-2021-39647 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-39647?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android.