Vulnerabilities > CVE-2021-38785 - NULL Pointer Dereference vulnerability in Allwinnertech Android Q SDK 1.0
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
COMPLETE Summary
There is a NULL pointer deference in the Allwinner R818 SoC Android Q SDK V1.0 camera driver /dev/cedar_dev that could use the ioctl cmd IOCTL_GET_IOMMU_ADDR to cause a system crash.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 | |
| Hardware | 1 |
Common Weakness Enumeration (CWE)
References
- https://www.cnvd.org.cn/flaw/show/CNVD-2021-49170
- https://www.allwinnertech.com/index.php?c=product&a=index&id=92
- https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9ACamera%20Driver%20has%20Null%20Pointer%20Dereference%20Vulnerability.md
- https://vul.wangan.com/a/CNVD-2021-49170