Vulnerability Details 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).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.008
EPSS Ranking 73.0%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 7.8
References
- 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
- 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
Products affected by CVE-2021-38787
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cpe:2.3:a:allwinnertech:android_q_sdk:1.0
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cpe:2.3:h:allwinnertech:r818:-