CVE-2021-38784 - Vulnerability Details - OpenCVE

Description

There is a NULL pointer dereference in the syscall open_exec function of Allwinner R818 SoC Android Q SDK V1.0 that could executable a malicious file to cause a system crash.

Published: 2022-01-18

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:a:allwinnertech:android_q_sdk:1.0:*:*:*:*:*:*:*

cpe:2.3:h:allwinnertech:r818:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-25221	There is a NULL pointer dereference in the syscall open_exec function of Allwinner R818 SoC Android Q SDK V1.0 that could executable a malicious file to cause a system crash.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00639.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9ASyscall%20open_exec%20has%20Null%20Pointer%20Dereference%20Vulnerability.md
https://vul.wangan.com/a/CNVD-2021-49172
https://www.allwinnertech.com/index.php?c=product&a=index&id=92
https://www.cnvd.org.cn/flaw/show/CNVD-2021-49172

History

Mon, 14 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00606}`	epss `{'score': 0.00639}`

Subscriptions

Allwinnertech Android Q Sdk R818

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-01-18T13:10:09.000Z

Updated: 2024-08-04T01:51:20.108Z

Reserved: 2021-08-16T00:00:00.000Z

Link: CVE-2021-38784

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-01-18T14:15:08.097

Modified: 2024-11-21T06:18:03.217

Link: CVE-2021-38784

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-476

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