Samsung · Mobile Devices
CVE-2021-25370
Samsung Mobile Devices Memory Corruption Vulnerability
What it is
An incorrect implementation handling file descriptor in dpu driver prior to SMR Mar-2021 Release 1 results in memory corruption leading to kernel panic.
CISA: Samsung mobile devices using Mali GPU contain an incorrect implementation handling file descriptor in dpu driver. This incorrect implementation results in memory corruption, leading to kernel panic. This vulnerability was chained with CVE-2021-25337 and CVE-2021-25369.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: November 29, 2022
More exploited flaws from Samsung
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Nov 10, 2025 | Out-of-Bounds Write | Mobile Devices | High 8.8 | 36% |
| Oct 2, 2025 | Out-of-Bounds Write | Mobile Devices | High 8.8 | 2.2% |
| Sep 18, 2023 | Use-After-Free | Mobile Devices | Medium 5.0 | 0.4% |
| Jun 29, 2023 | Unspecified | Mobile Devices | Medium 6.1 | 0.8% |
| Jun 29, 2023 | Improper Boundary Check | Mobile Devices | Medium 6.1 | 0.8% |
| Jun 29, 2023 | Race Condition | Mobile Devices | Medium 6.4 | 0.4% |
| Jun 29, 2023 | Race Condition | Mobile Devices | Medium 6.4 | 0.4% |
| Jun 29, 2023 | Out-of-Bounds Read | Mobile Devices | High 7.3 | 0.6% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.