CVE-2021-38787

CVSS V2 High 7.8 CVSS V3 High 7.5
Description
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).
Overview
  • CVE ID
  • CVE-2021-38787
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-01-19T13:15:07
  • Last Modified Date
  • 2022-01-26T17:32:56
Weakness Enumerations
CWE URL
CWE-190 http://cwe.mitre.org/data/definitions/190.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:allwinnertech:android_q_sdk:1.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:allwinnertech:r818:*:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.8
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171 Third Party Advisory
https://www.allwinnertech.com/index.php?c=product&a=index&id=92 Product Vendor Advisory
https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AION%20Driver%20Integer%20Overflow.md Broken Link Third Party Advisory
https://vul.wangan.com/a/CNVD-2021-49171 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-38787
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38787
History
Created Old Value New Value Data Type Notes
2022-05-10 06:36:10 Added to TrackCVE
2022-12-06 07:14:07 2022-01-19T13:15Z 2022-01-19T13:15:07 CVE Published Date updated
2022-12-06 07:14:07 2022-01-26T17:32:56 CVE Modified Date updated
2022-12-06 07:14:07 Analyzed Vulnerability Status updated