CVE-2021-38787 Integer overflow in n/a
An integer overflow in the Allwinner R818 SoC ION driver allows attackers to cause a system crash via a specific ioctl command.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-38787?
CVE-2021-38787 is a high-severity vulnerability in n/a, published on 19 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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).
Weakness: CWE-190
Which versions are affected by CVE-2021-38787?
It affects 1 product.
Products include Allwinnertech Android Q Sdk.
How do I fix CVE-2021-38787?
No fix has been published for CVE-2021-38787 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-38787 being exploited?
There is no known exploitation of CVE-2021-38787 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-h6gg-5gq2-7fgc.