CVE-2020-11668 : Security Advisory and Response
Learn about CVE-2020-11668, a vulnerability in the Linux kernel's Xirlink camera USB driver, allowing potential exploitation. Find mitigation steps and long-term security practices here.
In the Linux kernel before 5.6.1, the Xirlink camera USB driver mishandles invalid descriptors, leading to a vulnerability identified as CID-a246b4d54770.
Understanding CVE-2020-11668
This CVE pertains to a specific issue in the Linux kernel related to the Xirlink camera USB driver.
What is CVE-2020-11668?
The vulnerability in the Xirlink camera USB driver arises from mishandling invalid descriptors within the driver code.
The Impact of CVE-2020-11668
The vulnerability could potentially allow attackers to exploit the system using the affected driver, leading to various security risks.
Technical Details of CVE-2020-11668
This section delves into the technical aspects of the CVE.
Vulnerability Description
The issue specifically affects the drivers/media/usb/gspca/xirlink_cit.c file in the Linux kernel before version 5.6.1.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by manipulating the invalid descriptors in the Xirlink camera USB driver code.
Mitigation and Prevention
To address CVE-2020-11668, follow these mitigation strategies:
Immediate Steps to Take
- Apply relevant security patches provided by the Linux kernel maintainers.
- Monitor official sources for updates and advisories regarding this vulnerability.
Long-Term Security Practices
- Regularly update the Linux kernel to the latest stable version to ensure all security patches are applied.
Patching and Updates
- Keep abreast of security advisories from trusted sources and promptly apply patches to mitigate potential risks.