In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Block PASID attachment to nested domain with dirty tracking Kernel lacks dirty tracking support on nested domain attached to PASID, fails the attachment early if nesting parent domain is dirty tracking configured, otherwise dirty pages would be lost.
https://git.kernel.org/stable/c/cc5bd898ff70710ffc41cd8e5c2741cb64750047
https://git.kernel.org/stable/c/9009c1af5458322469fa9a4371081a4449c5947d
https://git.kernel.org/stable/c/3ea9ce757bd3de955b56e7bc5672fc479e40b045