CVEs-PoC/2021/CVE-2021-1913.md

### [CVE-2021-1913](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1913)
![](https://img.shields.io/static/v1?label=Product&message=Snapdragon%20Auto%2C%20Snapdragon%20Compute%2C%20Snapdragon%20Connectivity%2C%20Snapdragon%20Industrial%20IOT%2C%20Snapdragon%20Mobile%2C%20Snapdragon%20Wired%20Infrastructure%20and%20Networking&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%20QCA6595%2C%20QCA6595AU%2C%20QCA6696%2C%20QCA8337%2C%20QCA9377%2C%20QCA9984%2C%20QCM2290%2C%20QCM4290%2C%20QCM6490%2C%20QCS2290%2C%20QCS405%2C%20QCS4290%2C%20QCS6490%2C%20QCX315%2C%20QSM8350%2C%20SA415M%2C%20SA515M%2C%20SA6155P%2C%20SA8195P%2C%20SD%208C%2C%20SD%208CX%2C%20SD460%2C%20SD480%2C%20SD662%2C%20SD675%2C%20SD778G%2C%20SD780G%2C%20SD855%2C%20SD865%205G%2C%20SD870%2C%20SD888%205G%2C%20SDM830%2C%20SDX24%2C%20SDX55%2C%20SDX55M%2C%20SDX57M%2C%20SDXR2%205G%2C%20SM4125%2C%20SM7325P%2C%20WCD9340%2C%20WCD9341%2C%20WCD9360%2C%20WCD9370%2C%20WCD9375%2C%20WCD9380%2C%20WCD9385%2C%20WCN3910%2C%20WCN3950%2C%20WCN3980%2C%20WCN3988%2C%20WCN3990%2C%20WCN3991%2C%20WCN3998%2C%20WCN3999%2C%20WCN6740%2C%20WCN6750%2C%20WCN6850%2C%20WCN6851%2C%20WCN6855%2C%20WCN6856%2C%20WHS9410%2C%20WSA8810%2C%20WSA8815%2C%20WSA8830%2C%20WSA8835%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 due to improper length check while updating grace period and count record in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking

### POC

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

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