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7.5
CVSSv3

CVE-2021-38787

Published: 19/01/2022 Updated: 26/01/2022
CVSS v2 Base Score: 7.8 | Impact Score: 6.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 694
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
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Vulnerability Summary

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).

Vulnerability Trend

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allwinnertech android_q_sdk 1.0

References

CWE-190https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171https://www.allwinnertech.com/index.php?c=product&a=index&id=92https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AION%20Driver%20Integer%20Overflow.mdhttps://vul.wangan.com/a/CNVD-2021-49171https://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
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