CVE-2021-25370

Improper Check or Handling of Exceptional Conditions

CVSS 3.1 Medium 6.1Known exploited (CISA KEV)

CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

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 data

CVSS 3.1 Medium 6.1

Score published by Samsung Mobile in the CVE record.

CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack vector: Physical
The attacker needs physical access to the device.
Attack complexity: High
The attack depends on conditions outside the attacker's control, so it takes preparation.
Privileges required: High
An account with significant privileges, such as an administrator, is needed.
User interaction: None
No action from any user is needed.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: High
Serious or total effect on the trustworthiness of data.
Availability impact: High
Serious or total effect on availability.

Metric	Value	What it means
Attack vector	Physical	The attacker needs physical access to the device.
Attack complexity	High	The attack depends on conditions outside the attacker's control, so it takes preparation.
Privileges required	High	An account with significant privileges, such as an administrator, is needed.
User interaction	None	No action from any user is needed.
Scope	Unchanged	The impact stays within the vulnerable component.
Confidentiality impact	High	Serious or total effect on the secrecy of data.
Integrity impact	High	Serious or total effect on the trustworthiness of data.
Availability impact	High	Serious or total effect on availability.

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.

EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score: 0.00890 (0.9% probability)
Percentile: 59.7%
Scores of: Nov 10, 2026
Model: v2026.06.15

CISA Known Exploited Vulnerabilities

This CVE is listed in the CISA KEV catalog.

Name in the catalog: Samsung Mobile Devices Memory Corruption Vulnerability
Added to the catalog: Nov 8, 2022
Federal due date: Nov 29, 2022

CISA assessment as of Feb 4, 2025

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.

Exploitation: Recorded by CISA as active
Automatable: no
Technical impact: total

Weakness (CWE)

CWE catalog version 5.0.

CWE-703Improper Check or Handling of Exceptional Conditions

Affected products

Products listed in the CVE record, as the CNA published them.

Samsung Mobile Devices
- affected: Selected O(8.X), P(9.0), Q(10.0), R(11.0) up to before SMR Mar-2021 Release 1

References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

Timeline

ID reservedJan 19, 2021
Record publishedMar 26, 2021
Added to CISA KEVNov 8, 2022
Record last updatedJan 14, 2026

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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:26 UTC. Sources and licenses