CVE-2023-53800

CVE-2023-53800 affects the Linux kernel ubi (UBI) layer. The issue is a use-after-free during volume resize: when ubi_change_vtbl_record() returns an error in ubi_resize_volume(), the code path frees new_eba_tbl on error, but new_eba_tbl is still held by vol->eba_tbl in ubi_eba_replace_table()...