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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).

POC

Reference

No PoCs from references.

Github

- https://github.com/ARPSyndicate/cvemon

- https://github.com/pokerfacett/MY_CVE_CREDIT