CVE-2021-25370

Samsung Mobile Devices Memory Corruption Vulnerability

Medium 6.1
Exploited: added to CISA KEV 8 Nov 2022

Description

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

Key facts

Published: 26 Mar 2021
Last changed: 14 Jan 2026
Assigned by: Samsung Mobile
KEV added: 8 Nov 2022
KEV fix due: 29 Nov 2022
EPSS: 0.89% likely to be exploited in the next 30 days, higher than 59.913% of CVEs (scores for 15 Nov 2026)
SSVC (CISA): Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

6.1CVSS 3.1, Mediumfrom the CNA (Samsung Mobile)CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

What to do

Apply updates per vendor instructions.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

Vendor	Product	Versions
Samsung Mobile	Samsung Mobile Devices	Selected O(8.X), P(9.0), Q(10.0), R(11.0) up to but excluding SMR Mar-2021 Release 1 (affected)

Timeline

26 Mar 2021 Published
8 Nov 2022 Added to the CISA KEV catalogue

Weakness

CWE-703

References

security.samsungmobile.comx_refsource_CONFIRM
security.samsungmobile.comx_refsource_MISC