CVE-2017-8072 : Vulnerability Insights and Analysis
Discover the impact of CVE-2017-8072, a vulnerability in the Linux kernel version 4.9.x before 4.9.9. Learn about affected systems, exploitation risks, and mitigation steps to secure your environment.
In the Linux kernel version 4.9.x before 4.9.9, a vulnerability exists in the cp2112_gpio_direction_input function in the hid-cp2112.c file under drivers/hid. This flaw could be exploited by local users, potentially leading to undisclosed impacts.
Understanding CVE-2017-8072
This CVE entry describes a specific vulnerability in the Linux kernel version 4.9.x before 4.9.9.
What is CVE-2017-8072?
The vulnerability arises from the cp2112_gpio_direction_input function in the hid-cp2112.c file not handling zero-length reports correctly, failing to provide the expected EIO error status. This oversight could be leveraged by local users through unknown methods.
The Impact of CVE-2017-8072
The vulnerability could allow local users to exploit the system, potentially resulting in undisclosed consequences.
Technical Details of CVE-2017-8072
This section provides more technical insights into the vulnerability.
Vulnerability Description
The cp2112_gpio_direction_input function in drivers/hid/hid-cp2112.c in the Linux kernel 4.9.x before 4.9.9 lacks the expected EIO error status for zero-length reports, enabling local users to cause an unspecified impact via unknown vectors.
Affected Systems and Versions
- Affected Version: Linux kernel 4.9.x before 4.9.9
- Systems: Linux systems running the specified kernel version
Exploitation Mechanism
The vulnerability can be exploited by local users through undisclosed methods, taking advantage of the incorrect handling of zero-length reports.
Mitigation and Prevention
Protecting systems from CVE-2017-8072 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Monitor official sources for patches and updates
- Implement least privilege access controls
- Regularly review system logs for suspicious activities
Long-Term Security Practices
- Conduct regular security audits and vulnerability assessments
- Educate users on safe computing practices
- Keep systems and software up to date with the latest patches
Patching and Updates
- Apply the official patch provided by the Linux kernel maintainers
- Keep the kernel version updated to 4.9.9 or later for a secure environment