fork: defer linking file vma until vma is fully initialized

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CVE-2024-27022

A flaw was found in the Linux kernel. A race condition can occur when the fork system call is called due to improper locking, triggering a warning, impacting system stability, and resulting in a denial of service. Mitigation Mitigation for this issue is either not available or the currently...

CVE-2024-27022

In the Linux kernel, the following vulnerability has been resolved: fork: defer linking file vma until vma is fully initialized Thorvald reported a WARNING 1. And the root cause is below race: CPU 1 CPU 2 fork hugetlbfsfallocate dupmmap hugetlbfspunchhole immaplockwritemapping;...