CVE-2021-38785
HIGHAllwinner R818 SoC Android Q SDK V1.0 - Use After Free
Title source: llmDescription
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.
References (4)
Core 4
Core References
Product, Vendor Advisory x_refsource_misc
https://www.allwinnertech.com/index.php?c=product&a=index&id=92
Broken Link x_refsource_misc
https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9ACamera%20Driver%20has%20Null%20Pointer%20Dereference%20Vulnerability.md
Third Party Advisory x_refsource_misc
https://www.cnvd.org.cn/flaw/show/CNVD-2021-49170
Third Party Advisory x_refsource_misc
https://vul.wangan.com/a/CNVD-2021-49170
Scores
CVSS v3
7.5
EPSS
0.0182
EPSS Percentile
76.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (1)
allwinnertech/android_q_sdk
1.0
Published
Jan 18, 2022
Tracked Since
Feb 18, 2026