Unrated severityNVD Advisory· Published Jan 19, 2022· Updated Aug 4, 2024
CVE-2021-38787
CVE-2021-38787
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).
Affected products
2- Allwinner/R818 SoC Android Q SDKdescription
Patches
Vulnerability mechanics
References
4- github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AION%20Driver%20Integer%20Overflow.mdmitrex_refsource_MISC
- vul.wangan.com/a/CNVD-2021-49171mitrex_refsource_MISC
- www.allwinnertech.com/index.phpmitrex_refsource_MISC
- www.cnvd.org.cn/flaw/show/CNVD-2021-49171mitrex_refsource_MISC
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