CVE-2019-9451 Explained : Impact and Mitigation
Learn about CVE-2019-9451, an Android kernel touchscreen driver vulnerability enabling local privilege escalation without user interaction. Find mitigation steps and patching details.
Android kernel's touchscreen driver vulnerability allows for local privilege escalation without user interaction.
Understanding CVE-2019-9451
This CVE involves a potential issue in the Android kernel's touchscreen driver that could lead to local privilege escalation.
What is CVE-2019-9451?
- An out of bounds write vulnerability in the Android kernel's touchscreen driver
- Allows local escalation of privilege without user interaction
The Impact of CVE-2019-9451
- Potential local privilege escalation with System execution privileges required
- Exploitation does not depend on user interaction
Technical Details of CVE-2019-9451
Vulnerability Description
The vulnerability arises from a missing bounds check in the Android kernel's touchscreen driver.
Affected Systems and Versions
- Product: Android
- Version: Android kernel
Exploitation Mechanism
- Out of bounds write in the touchscreen driver
- Enables local privilege escalation
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches promptly
- Monitor vendor updates for patches
Long-Term Security Practices
- Regularly update and patch systems
- Implement security best practices
Patching and Updates
- Refer to the official Android security bulletin for patch details