CVE-2017-16536 Explained : Impact and Mitigation
Discover the impact of CVE-2017-16536 on the Linux kernel up to version 4.13.11. Learn about the denial of service attack potential and how to mitigate this vulnerability effectively.
CVE-2017-16536 was published on November 4, 2017, and affects the Linux kernel up to version 4.13.11. The vulnerability in the cx231xx_usb_probe function can be exploited by local users to cause a denial of service attack, leading to a NULL pointer dereference and system crash.
Understanding CVE-2017-16536
This section provides insights into the nature and impact of the CVE-2017-16536 vulnerability.
What is CVE-2017-16536?
The function cx231xx_usb_probe in the cx231xx-cards.c file within the Linux kernel up to version 4.13.11 allows local users to trigger a denial of service attack, resulting in a NULL pointer dereference and system crash. This could potentially have further unspecified consequences if a manipulated USB device is utilized.
The Impact of CVE-2017-16536
The vulnerability can be exploited by local users to execute a denial of service attack, potentially leading to a system crash and other unspecified impacts if a malicious USB device is employed.
Technical Details of CVE-2017-16536
This section delves into the technical aspects of CVE-2017-16536.
Vulnerability Description
The cx231xx_usb_probe function in the Linux kernel through version 4.13.11 allows local users to trigger a denial of service attack, resulting in a NULL pointer dereference and system crash, or potentially causing other unspecified impacts via a crafted USB device.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: Up to Linux kernel version 4.13.11
Exploitation Mechanism
The vulnerability can be exploited by local users through a crafted USB device to cause a denial of service attack, leading to a system crash and potential further consequences.
Mitigation and Prevention
Learn how to mitigate and prevent the CVE-2017-16536 vulnerability.
Immediate Steps to Take
- Apply security patches provided by the Linux kernel maintainers promptly.
- Monitor vendor advisories and security mailing lists for updates and patches.
Long-Term Security Practices
- Regularly update and patch the Linux kernel to address known vulnerabilities.
- Implement strict USB device usage policies to prevent the connection of untrusted devices.
Patching and Updates
Ensure timely installation of security patches released by the Linux kernel maintainers to mitigate the CVE-2017-16536 vulnerability.