CVE-2024-47676

CVE-2024-47676 affects the Linux kernel’s hugetlb fault pathway. Syzbot observed a use-after-free of the VMA in hugetlb_fault() caused by vmf_anon_prepare() releasing the per-VMA lock before hugetlb_vma_unlock_read() is called. The patched fix uses a modified vmf_anon_prepare() that does not rele...