In the Linux kernel 5.0.21, mounting a crafted f2fs filesystem image can cause __remove_dirty_segment slab-out-of-bounds write access because an array is bounded by the number of dirty types (8) but the array index can exceed this.Referenceshttps://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19814https://security.netapp.com/advisory/ntap-20200103-0001/
