CVE-2025-38580

The CVE-2025-38580 entry concerns a Linux kernel ext4 use-after-free in ext4_end_io_rsv_work(). The fix adds a check in ext4_io_end_defer_completion() to ensure io_end->list_vec is empty before adding to i_rsv_conversion_list, preventing starting an unnecessary worker. It also adds ext4_emerge...