Back to Database
Status published
High
CVE-2021-38787
There is an integer overflow in the ION driver "/dev/ion"...
Vulnerability 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).
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-38787
Credits & Attribution
No credits recorded in the NVD database.
References
More from allwinnertech
View All →CVE-2021-38789
Allwinner R818 SoC Android Q SDK V1.0 is affected by...
High
7.5
CVE-2021-38788
The Background service in Allwinner R818 SoC Android Q SDK...
High
7.5
CVE-2021-38786
There is a NULL pointer dereference in media/libcedarc/vdecoder of Allwinner...
High
7.5
CVE-2021-38785
There is a NULL pointer deference in the Allwinner R818...
High
7.5
CVE-2021-38784
There is a NULL pointer dereference in the syscall open_exec...
High
7.5
Affected Vendor
allwinnertech
View all reports →Affected Software
android q sdk
Vulnerable Versions:
1.0
Timeline
Official Publish:
January 19th, 2022
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.