CVE-2019-9271 Explained : Impact and Mitigation
Learn about CVE-2019-9271, a critical Android kernel vulnerability allowing privilege escalation without user interaction. Find mitigation steps and patching advice here.
Android kernel vulnerability leading to privilege escalation
Understanding CVE-2019-9271
Insufficient locking in the mnh driver of the Android kernel creates a race condition, potentially resulting in a use-after-free vulnerability that can escalate privileges.
What is CVE-2019-9271?
- Vulnerability in the Android kernel's mnh driver due to inadequate locking
- Allows for a race condition leading to a use-after-free flaw
- Exploitation can result in privilege escalation without user interaction
The Impact of CVE-2019-9271
- Potential privilege escalation requiring System execution privileges
- Exploitation can lead to significant security risks
Technical Details of CVE-2019-9271
Vulnerability Description
- Insufficient locking in the mnh driver of the Android kernel
- Race condition leading to a use-after-free vulnerability
Affected Systems and Versions
- Product: Android
- Version: Android kernel
Exploitation Mechanism
- Privilege escalation without user interaction
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by the vendor
- Monitor vendor security bulletins for updates
Long-Term Security Practices
- Regularly update and patch all software and systems
- Implement least privilege access controls
- Conduct regular security assessments and audits
Patching and Updates
- Stay informed about security updates from the Android platform
- Apply patches promptly to mitigate the vulnerability