CVE-2024-50220

CVE-2024-50220 affects the Linux kernel fork path where userfaultfd (UFFD) observers can observe a fork. The issue is that the kernel could expose an incomplete VM address space to userland (via VMAs/uffd) when an error occurs during fork. The fix defers khugepaged/KSMM and disables UFFD_EVENT_FO...