CVE-2019-9273 : Security Advisory and Response
Learn about CVE-2019-9273, a vulnerability in the Android kernel's synaptics_dsx_htc touchscreen driver that allows local privilege escalation without user interaction. Find out how to mitigate and prevent exploitation.
Android kernel's synaptics_dsx_htc touchscreen driver has a vulnerability that could lead to local privilege escalation without user interaction.
Understanding CVE-2019-9273
The CVE-2019-9273 vulnerability in the Android kernel poses a risk of local privilege escalation.
What is CVE-2019-9273?
The synaptics_dsx_htc touchscreen driver in the Android kernel has a potential use-after-free issue due to inadequate locking, allowing local privilege escalation without user interaction.
The Impact of CVE-2019-9273
This vulnerability could be exploited for local privilege escalation, requiring System execution privileges.
Technical Details of CVE-2019-9273
The technical aspects of the CVE-2019-9273 vulnerability.
Vulnerability Description
The issue lies in the synaptics_dsx_htc touchscreen driver in the Android kernel, leading to a use-after-free vulnerability caused by improper locking.
Affected Systems and Versions
- Product: Android
- Version: Android kernel
Exploitation Mechanism
The vulnerability can be exploited locally, allowing an attacker to escalate privileges without the need for user interaction.
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2019-9273.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor vendor security bulletins for updates.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Implement least privilege access controls.
Patching and Updates
- Keep the Android kernel and all related components up to date to prevent exploitation of this vulnerability.