### [CVE-2021-1912](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1912)
![](https://img.shields.io/static/v1?label=Product&message=Snapdragon%20Auto%2C%20Snapdragon%20Compute%2C%20Snapdragon%20Connectivity%2C%20Snapdragon%20Industrial%20IOT%2C%20Snapdragon%20Mobile&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=AQT1000%2C%20AR8035%2C%20CSRB31024%2C%20QCA6174A%2C%20QCA6390%2C%20QCA6391%2C%20QCA6420%2C%20QCA6421%2C%20QCA6426%2C%20QCA6430%2C%20QCA6431%2C%20QCA6436%2C%20QCA6564AU%2C%20QCA6574A%2C%20QCA6574AU%2C%20QCA6584AU%2C%20QCA6595AU%2C%20QCA6696%2C%20QCA8337%2C%20QCA9377%2C%20QCX315%2C%20SA415M%2C%20SA515M%2C%20SD%208C%2C%20SD%208CX%2C%20SD855%2C%20SD865%205G%2C%20SD870%2C%20SDX24%2C%20SDX55%2C%20SDX55M%2C%20SDXR2%205G%2C%20WCD9340%2C%20WCD9341%2C%20WCD9380%2C%20WCD9385%2C%20WCN3998%2C%20WCN6750%2C%20WCN6850%2C%20WCN6851%2C%20WSA8810%2C%20WSA8815%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Integer%20Overflow%20or%20Wraparound%20in%20Trust%20Zone&color=brightgreen)

### Description

Possible integer overflow can occur due to improper length check while calculating count and grace period in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

### POC

#### Reference
- https://www.qualcomm.com/company/product-security/bulletins/november-2021-bulletin

#### Github
No PoCs found on GitHub currently.