From this webpage screenshot, the following key information about the vulnerability can be obtained: 1. Vulnerability Description: - Issue: In the function, is set during . However, at the same time, is called. This may lead to the page table being modified arbitrarily after and , causing to potentially fail to protect the actual page table. - Solution: This issue is resolved by replacing with . 2. Fix Method: - Replace with to prevent the page table from being modified arbitrarily after and . 3. Links and References: - Links to detailed information on , along with related patches and discussions are provided. 4. Patch Information: - Patch ID: 58f327f2ce80 - Patch Description: Avoid unnecessary major faults in . 5. Authors and Contributors: - Author: ZhangPeng - Contributors: David Hildenbrand, Aneesh Kumar K.V, Huang, Ying, Hugh Dickins, Kefeng Wang, Matthew Wilcox, Nanyong Sun, Yang Shi, Yin Fengwei, Andrew Morton 6. Code Changes: - File: - Change Location: - Change Content: This information helps understand the vulnerability's context, the fix method, and the associated code changes.