// For flags

CVE-2021-38787

 

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 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).

Se presenta un desbordamiento de enteros en el controlador ION "/dev/ion" del SDK Android Q versión V1.0 de Allwinner R818 SoC que podría usar el cmd ioctl "COMPAT_ION_IOC_SUNXI_FLUSH_RANGE" para causar un bloqueo del sistema (denegación de servicio)

*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
  • 2022-01-19 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-10-04 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-190: Integer Overflow or Wraparound
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