CVE-2021-38787

HIGH 7.5CVE-2021-38787 · Published 19/01/2022 · updated 17/06/2026

In short

CVE-2021-38787 is a HIGH (CVSS 7.5) vulnerability affecting android q sdk (allwinnertech).
Chance of exploitation in the next 30 days (EPSS): 1.9%, higher than 80.3% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
android q sdk allwinnertech	`= 1.0`	No fix yet

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).

References

pokerfacett/MY_CVE_CREDIT · Broken Link
vul.wangan.com/a/CNVD-2021-49171 · Third Party Advisory
allwinnertech.com/index.php · Product
cnvd.org.cn/flaw/show/CNVD-2021-49171 · Third Party Advisory

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Package

Affected versions

Patched versions

android q sdk

allwinnertech

= 1.0

No fix yet

More vulnerabilities in android q sdk

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