CVEs-PoC/2021/CVE-2021-1983.md

### [CVE-2021-1983](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1983)
![](https://img.shields.io/static/v1?label=Product&message=Snapdragon%20Auto%2C%20Snapdragon%20Compute%2C%20Snapdragon%20Connectivity%2C%20Snapdragon%20Consumer%20IOT%2C%20Snapdragon%20Industrial%20IOT%2C%20Snapdragon%20Wearables&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=APQ8017%2C%20APQ8053%2C%20APQ8064AU%2C%20APQ8096AU%2C%20AQT1000%2C%20MSM8917%2C%20MSM8953%2C%20MSM8996AU%2C%20QCA6310%2C%20QCA6320%2C%20QCA6335%2C%20QCA6390%2C%20QCA6391%2C%20QCA6420%2C%20QCA6426%2C%20QCA6430%2C%20QCA6436%2C%20QCA6564A%2C%20QCA6564AU%2C%20QCA6574A%2C%20QCA6574AU%2C%20QCM2290%2C%20QCM4290%2C%20QCM6125%2C%20QCM6490%2C%20QCS2290%2C%20QCS4290%2C%20QCS603%2C%20QCS605%2C%20QCS610%2C%20QCS6125%2C%20QCS6490%2C%20Qualcomm215%2C%20SD%20455%2C%20SD%20636%2C%20SD%20675%2C%20SD205%2C%20SD210%2C%20SD429%2C%20SD439%2C%20SD460%2C%20SD480%2C%20SD632%2C%20SD662%2C%20SD665%2C%20SD675%2C%20SD678%2C%20SD690%205G%2C%20SD720G%2C%20SD730%2C%20SD750G%2C%20SD765%2C%20SD765G%2C%20SD768G%2C%20SD778G%2C%20SD780G%2C%20SD855%2C%20SD865%205G%2C%20SD870%2C%20SD888%2C%20SD888%205G%2C%20SDM630%2C%20SDX50M%2C%20SDX55%2C%20SDX55M%2C%20SDXR1%2C%20SDXR2%205G%2C%20SM4125%2C%20SM6250%2C%20SM6250P%2C%20SM7250P%2C%20SM7315%2C%20SM7325P%2C%20WCD9370%2C%20WCD9371%2C%20WCD9375%2C%20WCD9380%2C%20WCD9385%2C%20WCN3610%2C%20WCN3615%2C%20WCN3660B%2C%20WCN3680%2C%20WCN3680B%2C%20WCN3910%2C%20WCN3950%2C%20WCN3988%2C%20WCN3991%2C%20WCN3998%2C%20WCN6740%2C%20WCN6750%2C%20WCN6850%2C%20WCN6851%2C%20WCN6855%2C%20WCN6856%2C%20WSA8830%2C%20WSA8835%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Integer%20Overflow%20to%20Buffer%20Overflow%20in%20VR%20Service&color=brightgreen)

### Description

Possible buffer overflow due to improper handling of negative data length while processing write request in VR service in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Wearables

### POC

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

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