CVE Vulnerability

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).

7.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

7.5 /10

CVSS v3.0 : 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

References
Link Resource
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
Configurations

Configuration 1
Information

Published : 2022-01-19 01:15

Updated : 2022-01-26 05:32

NVD link : CVE-2021-38787

Mitre link : CVE-2021-38787

Products Affected
No products.
CWE
CWE-190