CVE-2017-16531 Explained : Impact and Mitigation
Discover the impact of CVE-2017-16531, a vulnerability in the Linux kernel USB driver allowing local users to trigger a denial of service attack. Learn about affected systems and mitigation steps.
In the Linux kernel before version 4.13.6, a vulnerability exists in the drivers/usb/core/config.c file that can be exploited by local users. This flaw may lead to a denial of service attack, causing an out-of-bounds read and system crash. The vulnerability is associated with the USB_DT_INTERFACE_ASSOCIATION descriptor.
Understanding CVE-2017-16531
This CVE entry pertains to a specific vulnerability in the Linux kernel that could be abused by local users to trigger a denial of service attack.
What is CVE-2017-16531?
The vulnerability in the Linux kernel before version 4.13.6 allows local users to cause a denial of service (out-of-bounds read and system crash) or potentially have other unspecified impacts by exploiting a crafted USB device related to the USB_DT_INTERFACE_ASSOCIATION descriptor.
The Impact of CVE-2017-16531
- Local users can exploit this vulnerability to launch a denial of service attack, resulting in a system crash.
- The issue could have additional unspecified impacts beyond the denial of service.
Technical Details of CVE-2017-16531
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in drivers/usb/core/config.c in the Linux kernel before 4.13.6 allows local users to cause a denial of service or potentially have other unspecified impacts via a crafted USB device.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by local users through a crafted USB device, specifically related to the USB_DT_INTERFACE_ASSOCIATION descriptor.
Mitigation and Prevention
To address CVE-2017-16531, follow these mitigation strategies:
Immediate Steps to Take
- Apply patches provided by the Linux kernel maintainers.
- Monitor security advisories from relevant vendors for updates.
Long-Term Security Practices
- Regularly update the Linux kernel to the latest stable version.
- Implement the principle of least privilege to limit user access.
Patching and Updates
- Keep the Linux kernel up to date with the latest security patches.