In the Linux kernel, the following vulnerability has been resolved:iommufd: Fix missing update of domains_itree after splitting iopt_areaIn iopt_area_split(), if the original iopt_area has filled a domain and islinked to domains_itree, pages_nodes have to be properlyreinserted. Otherwise the domains_itree becomes corrupted and we will UAF.
CWE-284 Improper Access Control