CVE intelligence and bounded remediation

CVE-2021-25370 — Samsung Mobile Devices Memory Corruption Vulnerability

Medium CVSS 6.1 CISA KEV

An incorrect implementation handling file descriptor in dpu driver prior to SMR Mar-2021 Release 1 results in memory corruption leading to kernel panic.

Severity
Medium
CVSS
6.1 (3.1)
Published
2021-03-26
CISA KEV
Known exploited
Ecosystem
operating-system
Weaknesses
CWE-416, CWE-703

Affected products

  • samsung / android / 8.0
  • samsung / android / 8.1
  • samsung / android / 9.0

Showing 3 representative product identities from 50 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

Use-after-free, double free, and expired resource use

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Check exposure

  • Trace ownership, references, callbacks, asynchronous tasks, and teardown paths around the affected object or resource.
  • Identify reachable inputs and timing or state transitions that can release the object while references remain.
  • Confirm affected builds, allocators, feature flags, architectures, and process privileges.

Remediate safely

  • Apply the maintained ownership or lifetime fix and rebuild all artifacts containing the affected native code.
  • Use explicit ownership, safe reference management, cancellation and join semantics, and idempotent teardown.
  • Add deterministic lifetime tests plus isolated sanitizer and concurrency coverage for shutdown and error paths.

Authoritative sources

Complete CVE record and remediation plan

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