Vulnerability CVE-2023-33250
Published: 2023-05-21

Description:
The Linux kernel 6.3 has a use-after-free in iopt_unmap_iova_range in drivers/iommu/iommufd/io_pagetable.c.

 References:
https://groups.google.com/g/syzkaller/c/G6P9yecsTZ8/m/iiqFVOM9BwAJ
https://lore.kernel.org/linux-iommu/ZDabT%2FuRl%2FjxFhm0@ip-172-31-85-199.ec2.internal/T/
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