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CVE-2021-25394 Details

Description

A use after free vulnerability via race condition in MFC charger driver prior to SMR MAY-2021 Release 1 allows arbitrary write given a radio privilege is compromised.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.4 MEDIUMVector:CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:6.4 MEDIUMVector:CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25394	CISA-ADP	US Government Resource
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5	CVE	Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5	[email protected]	Vendor Advisory

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name	Date Added	Due Date	Required Action
Samsung Mobile Devices Race Condition Vulnerability	Jun 29, 2023	Jul 20, 2023	Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-362	Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')	[email protected]
CWE-416	Use After Free	[email protected]
CWE-416	Use After Free	[email protected]

Affected Products

Product	Versions
samsung android	8.1 - 9.0 smr-apr-2021-r1 9.0 smr-feb-2021-r1 9.0 smr-jan-2021-r1 9.0 smr-mar-2021-r1
CPE cpe:2.3:o:samsung:android:8.1:-:::::: cpe:2.3:o:samsung:android:9.0:smr-apr-2021-r1:::::: cpe:2.3:o:samsung:android:9.0:smr-feb-2021-r1:::::: cpe:2.3:o:samsung:android:9.0:smr-jan-2021-r1:::::: cpe:2.3:o:samsung:android:9.0:smr-mar-2021-r1:::::: cpe:2.3:o:samsung:android:10.0:smr-apr-2021-r1:::::: cpe:2.3:o:samsung:android:10.0:smr-feb-2021-r1:::::: cpe:2.3:o:samsung:android:10.0:smr-jan-2021-r1:::::: cpe:2.3:o:samsung:android:11.0:smr-apr-2021-r1:::::: cpe:2.3:o:samsung:android:11.0:smr-feb-2021-r1:::::: cpe:2.3:o:samsung:android:11.0:smr-jan-2021-r1:::::: cpe:2.3:o:samsung:android:11.0:smr-jul-2021-r1:::::: Remediation No remediation found in references.

Product

Versions

samsung android

8.1 -

9.0 smr-apr-2021-r1

9.0 smr-feb-2021-r1

9.0 smr-jan-2021-r1

9.0 smr-mar-2021-r1

CPE

cpe:2.3:o:samsung:android:8.1:-:*:*:*:*:*:*
cpe:2.3:o:samsung:android:9.0:smr-apr-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:9.0:smr-feb-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:9.0:smr-jan-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:9.0:smr-mar-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-apr-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-feb-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:10.0:smr-jan-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-apr-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-feb-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-jan-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-jul-2021-r1:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

10 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	[email protected]
Oct 30, 2025	Modified Analysis	[email protected]
Oct 22, 2025	CVE Modified	CISA-ADP
Oct 21, 2025	CVE Modified	CISA-ADP
Oct 21, 2025	CVE Modified	CISA-ADP
Feb 14, 2025	Modified Analysis	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jun 16, 2021	Initial Analysis	[email protected]