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...

CVE-2024-47676

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb.c: fix UAF of vma in hugetlb fault pathway Syzbot reports a UAF in hugetlbfault. This happens because vmfanonprepare could drop the per-VMA lock and allow the current VMA to be freed before hugetlbvmaunlockread is...