CVE-2021-38787

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-38787
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).

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References
Link Resource
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
https://www.allwinnertech.com/index.php?c=product&a=index&id=92 Product Vendor Advisory
https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171 Third Party 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
https://www.allwinnertech.com/index.php?c=product&a=index&id=92 Product Vendor Advisory
https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171 Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:a:allwinnertech:android_q_sdk:1.0:*:*:*:*:*:*:*
cpe:2.3:h:allwinnertech:r818:*:*:*:*:*:*:*:*
History

21 Nov 2024, 06:18

Type Values Removed Values Added
References () 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://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AION%20Driver%20Integer%20Overflow.md - Broken Link, Third Party Advisory
References () https://vul.wangan.com/a/CNVD-2021-49171 - Third Party Advisory () https://vul.wangan.com/a/CNVD-2021-49171 - Third Party Advisory
References () https://www.allwinnertech.com/index.php?c=product&a=index&id=92 - Product, Vendor Advisory () https://www.allwinnertech.com/index.php?c=product&a=index&id=92 - Product, Vendor Advisory
References () https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171 - Third Party Advisory () https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171 - Third Party Advisory

26 Jan 2022, 17:32

Type Values Removed Values Added
CPE cpe:2.3:a:allwinnertech:android_q_sdk_camera_driver:1.0:*:*:*:*:*:*:* cpe:2.3:a:allwinnertech:android_q_sdk:1.0:*:*:*:*:*:*:*

26 Jan 2022, 02:38

Type Values Removed Values Added
CWE CWE-190
CPE cpe:2.3:h:allwinnertech:r818:*:*:*:*:*:*:*:*
cpe:2.3:a:allwinnertech:android_q_sdk_camera_driver:1.0:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 7.8
v3 : 7.5
References (MISC) https://vul.wangan.com/a/CNVD-2021-49171 - (MISC) https://vul.wangan.com/a/CNVD-2021-49171 - Third Party Advisory
References (MISC) https://www.allwinnertech.com/index.php?c=product&a=index&id=92 - (MISC) https://www.allwinnertech.com/index.php?c=product&a=index&id=92 - Product, Vendor Advisory
References (MISC) https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171 - (MISC) https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171 - Third Party Advisory
References (MISC) https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AION%20Driver%20Integer%20Overflow.md - (MISC) https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AION%20Driver%20Integer%20Overflow.md - Broken Link, Third Party Advisory

19 Jan 2022, 13:26

Type Values Removed Values Added
New CVE
Information

Published : 2022-01-19 13:15

Updated : 2024-11-21 06:18

NVD link : CVE-2021-38787

Mitre link : CVE-2021-38787

CVE.ORG link : CVE-2021-38787

JSON object : View

Products Affected

allwinnertech

  • android_q_sdk
  • r818
CWE
CWE-190

Integer Overflow or Wraparound