CVE-2021-25394
Samsung Mobile Devices
Samsung Mobile Devices Race Condition Vulnerability
What it is
Samsung mobile devices contain a race condition vulnerability within the MFC charger driver that leads to a use-after-free allowing for a write given a radio privilege is compromised.
What to do
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
Vendor notices and references
- security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5
- nvd.nist.gov/vuln/detail/CVE-2021-25394
Description and required action as published by CISA. Full record at NVD.
Other Samsung entries on the list
- MagicINFO 9 Server Samsung MagicINFO 9 Server Path Traversal Vulnerability CVE-2024-7399 · Apr 24, 2026
- Mobile Devices Samsung Mobile Devices Out-of-Bounds Write Vulnerability CVE-2025-21042 · Nov 10, 2025
- Mobile Devices Samsung Mobile Devices Out-of-Bounds Write Vulnerability CVE-2025-21043 · Oct 2, 2025
- MagicINFO 9 Server Samsung MagicINFO 9 Server Path Traversal Vulnerability CVE-2025-4632 · May 22, 2025
- Mobile Devices Samsung Mobile Devices Use-After-Free Vulnerability CVE-2022-22265 · Sep 18, 2023
- Mobile Devices Samsung Mobile Devices Improper Input Validation Vulnerability CVE-2021-25489 · Jun 29, 2023