From this webpage screenshot, we can extract the following key information about the vulnerability: 1. Vulnerability Description: - Issue: requires user-space to invoke the function to fill the request buffer, but unauthorized devices cannot be trusted. - Solution: Prevent unauthorized devices from performing user copy operations. 2. Code Changes: - Files: and - Changes: - In , a check for unauthorized devices was added; if the device is not authorized, it returns . - In , the flag bit was defined, indicating the user copy functionality. 3. Author and Commit Information: - Author: Ming Lei - Commit Date: October 16, 2024 - Commit Message: Fixed the user copy issue for unauthorized devices. 4. Fix History: - Fixers: Ming Lei and Greg Kroah-Hartman - Fix Dates: October 16, 2024 and October 22, 2024 5. Related Links: - Upstream Link: https://lore.kernel.org/r/20241016134847.2911721-1-ming.lei@redhat.com - Author Signature: https://lore.kernel.org/r/20241016134847.2911721-1-ming.lei@redhat.com - Contributor Signature: https://lore.kernel.org/r/20241016134847.2911721-1-ming.lei@redhat.com This information indicates that the vulnerability was fixed by addressing the security issue where unauthorized devices could exploit the feature. The fix involves adding checks in the code to prevent unauthorized devices from performing user copy operations, returning an error ( ) if unauthorized.