Linux kernel bug fix: iommufd: Do not access the area pointer after unlocking
Subsystem: iommu (drivers/iommu/iommufd/io_pagetable.c)
Bug type: use-after-free, severity: high
Keywords: refcount;use after free
Files changed: drivers/iommu/iommufd/io_pagetable.c
Introduced by Jason Gunthorpe on 2022-11-30 20:16:49 -0400; fixed by Jason Gunthorpe on 2023-06-26 09:00:23 -0300 (lifetime: 207 days)