CVE-2019-9455 : What You Need to Know
Learn about CVE-2019-9455, a vulnerability in the Android kernel's video driver that can lead to local information disclosure without user interaction. Find mitigation steps and affected systems here.
Android kernel vulnerability allows for local information disclosure without user interaction.
Understanding CVE-2019-9455
The presence of a WARN_ON statement in the video driver of the Android kernel leads to a kernel pointer leak, potentially resulting in local information disclosure.
What is CVE-2019-9455?
This CVE involves a vulnerability in the Android kernel's video driver, which can be exploited to leak kernel pointers, leading to local information disclosure without the need for user interaction.
The Impact of CVE-2019-9455
The vulnerability may allow an attacker to disclose local information if the system is executed with privileged access, posing a risk to data confidentiality.
Technical Details of CVE-2019-9455
Vulnerability Description
The presence of a WARN_ON statement in the Android kernel's video driver causes a kernel pointer leak, enabling local information disclosure.
Affected Systems and Versions
- Product: Android
- Version: Android kernel
Exploitation Mechanism
The vulnerability can be exploited without user interaction, requiring only privileged access to the system.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor vendor advisories for updates and follow best security practices.
Long-Term Security Practices
- Regularly update and patch all software and systems.
- Implement the principle of least privilege to limit access rights.
Patching and Updates
- Stay informed about security bulletins and updates from Android.