CVE-2019-2246 Explained : Impact and Mitigation
Learn about CVE-2019-2246 affecting Qualcomm Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile devices. Find out the impact, affected systems, and mitigation steps.
Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile devices by Qualcomm are affected by a vulnerability that allows arbitrary memory locations to be affected by invalid memory writes.
Understanding CVE-2019-2246
This CVE involves passing user arguments to the kernel in various Qualcomm Snapdragon devices, potentially leading to memory corruption.
What is CVE-2019-2246?
This CVE relates to improper input validation in the kernel of Qualcomm Snapdragon devices, allowing for unauthorized memory writes.
The Impact of CVE-2019-2246
The vulnerability could result in arbitrary memory locations being affected by invalid memory writes, potentially leading to memory corruption and unauthorized access.
Technical Details of CVE-2019-2246
Qualcomm Snapdragon devices are affected by a vulnerability that allows for unauthorized memory writes.
Vulnerability Description
The passing of user arguments to the kernel in various Qualcomm Snapdragon devices could result in arbitrary memory locations being affected by invalid memory writes.
Affected Systems and Versions
- Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile
- Versions: MDM9205, MDM9640, MSM8996AU, QCA6574, QCS605, Qualcomm 215, SD 425, SD 427, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 636, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 835, SD 845 / SD 850, SD 855, SD 8CX, SDA660, SDM439, SDM630, SDM660, SDX24, Snapdragon_High_Med_2016, SXR1130
Exploitation Mechanism
The vulnerability arises from the improper handling of user arguments passed to the kernel, leading to unauthorized memory writes.
Mitigation and Prevention
Steps to address and prevent the CVE-2019-2246 vulnerability:
Immediate Steps to Take
- Apply security patches provided by Qualcomm.
- Monitor Qualcomm's security bulletins for updates.
Long-Term Security Practices
- Regularly update firmware and software on affected devices.
- Implement proper input validation mechanisms to prevent unauthorized memory writes.
Patching and Updates
- Ensure all Qualcomm Snapdragon devices are updated with the latest security patches.