CVEs-PoC/2021/CVE-2021-1939.md

### [CVE-2021-1939](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1939)
![](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=APQ8009%2C%20APQ8009W%2C%20APQ8017%2C%20AQT1000%2C%20MSM8909W%2C%20MSM8917%2C%20QCA4020%2C%20QCA6174A%2C%20QCA6310%2C%20QCA6335%2C%20QCA6390%2C%20QCA6391%2C%20QCA6420%2C%20QCA6421%2C%20QCA6426%2C%20QCA6430%2C%20QCA6431%2C%20QCA6436%2C%20QCA6574%2C%20QCA6574A%2C%20QCA6574AU%2C%20QCA6595AU%2C%20QCA6696%2C%20QCA9377%2C%20QCA9379%2C%20QCS603%2C%20QCS605%2C%20QET4101%2C%20QSM8250%2C%20QSW8573%2C%20Qualcomm215%2C%20SA6145P%2C%20SA6150P%2C%20SA6155%2C%20SA6155P%2C%20SA8145P%2C%20SA8150P%2C%20SA8155%2C%20SA8155P%2C%20SA8195P%2C%20SD%20675%2C%20SD205%2C%20SD210%2C%20SD429%2C%20SD439%2C%20SD450%2C%20SD480%2C%20SD632%2C%20SD665%2C%20SD670%2C%20SD675%2C%20SD678%2C%20SD690%205G%2C%20SD730%2C%20SD750G%2C%20SD765%2C%20SD765G%2C%20SD768G%2C%20SD778G%2C%20SD780G%2C%20SD845%2C%20SD855%2C%20SD865%205G%2C%20SD870%2C%20SD888%2C%20SD888%205G%2C%20SDA429W%2C%20SDM429W%2C%20SDM830%2C%20SDX24%2C%20SDX55%2C%20SDX55M%2C%20SDXR1%2C%20SDXR2%205G%2C%20SM4125%2C%20SM7250P%2C%20SM7315%2C%20SM7325P%2C%20WCD9335%2C%20WCD9340%2C%20WCD9370%2C%20WCD9371%2C%20WCD9375%2C%20WCD9380%2C%20WCD9385%2C%20WCN3610%2C%20WCN3620%2C%20WCN3660%2C%20WCN3660B%2C%20WCN3680%2C%20WCN3910%2C%20WCN3950%2C%20WCN3988%2C%20WCN3991%2C%20WCN3998%2C%20WCN6740%2C%20WCN6750%2C%20WCN6850%2C%20WCN6851%2C%20WCN6855%2C%20WCN6856%2C%20WSA8810%2C%20WSA8815%2C%20WSA8830%2C%20WSA8835%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=NULL%20Pointer%20Dereference%20in%20Graphics&color=brightgreen)

### Description

Null pointer dereference occurs due to improper validation when the preemption feature enablement is toggled 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/august-2021-bulletin

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