Vulnerability Details : CVE-2021-38785
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.
Products affected by CVE-2021-38785
- cpe:2.3:a:allwinnertech:android_q_sdk:1.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-38785
0.78%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-38785
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-38785
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-38785
-
https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9ACamera%20Driver%20has%20Null%20Pointer%20Dereference%20Vulnerability.md
MY_CVE_CREDIT/Allwinner R818 SoC：Camera Driver has Null Pointer Dereference Vulnerability.md at master · pokerfacett/MY_CVE_CREDIT · GitHubBroken Link
-
https://www.allwinnertech.com/index.php?c=product&a=index&id=92
R818Product;Vendor Advisory
-
https://www.cnvd.org.cn/flaw/show/CNVD-2021-49170
Third Party Advisory
-
https://vul.wangan.com/a/CNVD-2021-49170
undefined_undefined-网安漏洞平台Third Party Advisory
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