CVE-2021-38787 - Vulnerability Details - OpenCVE

There is an integer overflow in the ION driver "/dev/ion" of Allwinner R818 SoC Android Q SDK V1.0 that could use the ioctl cmd "COMPAT_ION_IOC_SUNXI_FLUSH_RANGE" to cause a system crash (denial of service).

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 0.00788.

Key SSVC decision points have not yet been added.

Vendors	Products
Allwinnertech Subscribe	Android Q Sdk Subscribe R818 Subscribe

Configuration 1 [-]

AND

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

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

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-25224	There is an integer overflow in the ION driver "/dev/ion" of Allwinner R818 SoC Android Q SDK V1.0 that could use the ioctl cmd "COMPAT_ION_IOC_SUNXI_FLUSH_RANGE" to cause a system crash (denial of service).

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AION%20Driver%20Integer%20Overflow.md
https://vul.wangan.com/a/CNVD-2021-49171
https://www.allwinnertech.com/index.php?c=product&a=index&id=92
https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171

History

No history.

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-01-19T12:46:44

Updated: 2024-08-04T01:51:20.152Z

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

Link: CVE-2021-38787

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-01-19T13:15:07.870

Modified: 2024-11-21T06:18:03.750

Link: CVE-2021-38787

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-190

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "There is an integer overflow in the ION driver \"/dev/ion\" of Allwinner R818 SoC Android Q SDK V1.0 that could use the ioctl cmd \"COMPAT_ION_IOC_SUNXI_FLUSH_RANGE\" to cause a system crash (denial of service)."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-01-19T12:46:44", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.allwinnertech.com/index.php?c=product&a=index&id=92"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AION%20Driver%20Integer%20Overflow.md"}, {"tags": ["x_refsource_MISC"], "url": "https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171"}, {"tags": ["x_refsource_MISC"], "url": "https://vul.wangan.com/a/CNVD-2021-49171"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-38787", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "There is an integer overflow in the ION driver \"/dev/ion\" of Allwinner R818 SoC Android Q SDK V1.0 that could use the ioctl cmd \"COMPAT_ION_IOC_SUNXI_FLUSH_RANGE\" to cause a system crash (denial of service)."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://www.allwinnertech.com/index.php?c=product&a=index&id=92", "refsource": "MISC", "url": "https://www.allwinnertech.com/index.php?c=product&a=index&id=92"}, {"name": "https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AION%20Driver%20Integer%20Overflow.md", "refsource": "MISC", "url": "https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AION%20Driver%20Integer%20Overflow.md"}, {"name": "https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171", "refsource": "MISC", "url": "https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171"}, {"name": "https://vul.wangan.com/a/CNVD-2021-49171", "refsource": "MISC", "url": "https://vul.wangan.com/a/CNVD-2021-49171"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:51:20.152Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.allwinnertech.com/index.php?c=product&a=index&id=92"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AION%20Driver%20Integer%20Overflow.md"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://vul.wangan.com/a/CNVD-2021-49171"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-38787", "datePublished": "2022-01-19T12:46:44", "dateReserved": "2021-08-16T00:00:00", "dateUpdated": "2024-08-04T01:51:20.152Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:allwinnertech:android_q_sdk:1.0:*:*:*:*:*:*:*", "matchCriteriaId": "355226B3-ADD7-494E-958A-991E1EEC1CA1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:allwinnertech:r818:*:*:*:*:*:*:*:*", "matchCriteriaId": "9E184CF7-CECA-4F3F-BBC9-B4624B137D13", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "There is an integer overflow in the ION driver \"/dev/ion\" of Allwinner R818 SoC Android Q SDK V1.0 that could use the ioctl cmd \"COMPAT_ION_IOC_SUNXI_FLUSH_RANGE\" to cause a system crash (denial of service)."}, {"lang": "es", "value": "Se presenta un desbordamiento de enteros en el controlador ION \"/dev/ion\" del SDK Android Q versi\u00f3n V1.0 de Allwinner R818 SoC que podr\u00eda usar el cmd ioctl \"COMPAT_ION_IOC_SUNXI_FLUSH_RANGE\" para causar un bloqueo del sistema (denegaci\u00f3n de servicio)"}], "id": "CVE-2021-38787", "lastModified": "2024-11-21T06:18:03.750", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-01-19T13:15:07.870", "references": [{"source": "cve@mitre.org", "tags": ["Broken Link", "Third Party Advisory"], "url": "https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AION%20Driver%20Integer%20Overflow.md"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://vul.wangan.com/a/CNVD-2021-49171"}, {"source": "cve@mitre.org", "tags": ["Product", "Vendor Advisory"], "url": "https://www.allwinnertech.com/index.php?c=product&a=index&id=92"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Third Party Advisory"], "url": "https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AION%20Driver%20Integer%20Overflow.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://vul.wangan.com/a/CNVD-2021-49171"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product", "Vendor Advisory"], "url": "https://www.allwinnertech.com/index.php?c=product&a=index&id=92"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}]}