// For flags

CVE-2021-38785

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se presenta una desreferencia de puntero NULL en el controlador de cámara /dev/cedar_dev del Allwinner R818 SoC Android Q SDK versión V1.0, que podría usar el cmd ioctl IOCTL_GET_IOMMU_ADDR para causar un bloqueo del sistema

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-08-16 CVE Reserved
  • 2022-01-18 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-10-03 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-476: NULL Pointer Dereference
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Allwinnertech
Search vendor "Allwinnertech"
 Android Q Sdk
Search vendor "Allwinnertech" for product "Android Q Sdk"
 1.0
Search vendor "Allwinnertech" for product "Android Q Sdk" and version "1.0"
-
Affected
in Allwinnertech
Search vendor "Allwinnertech"
 R818
Search vendor "Allwinnertech" for product "R818"
--
Safe