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Change History

In the Linux kernel, the following vulnerability has been resolved:

iommu/vt-d: Fix incorrect pci_for_each_dma_alias() for non-PCI devices

Previously, the domain_context_clear() function incorrectly called
pci_for_each_dma_alias() to set up context entries for non-PCI devices.
This could lead to kernel hangs or other unexpected behavior.

Add a check to only call pci_for_each_dma_alias() for PCI devices. For
non-PCI devices, domain_context_clear_one() is called directly.

kernel.org https://git.kernel.org/stable/c/04d6826ba7ba81213422276e96c90c6565169e1c [No types assigned]

kernel.org https://git.kernel.org/stable/c/0bd9a30c22afb5da203386b811ec31429d2caa78 [No types assigned]

kernel.org https://git.kernel.org/stable/c/6e02a277f1db24fa039e23783c8921c7b0e5b1b3 [No types assigned]

kernel.org https://git.kernel.org/stable/c/cbfa3a83eba05240ce37839ed48280a05e8e8f6c [No types assigned]

kernel.org https://git.kernel.org/stable/c/fe2e0b6cd00abea3efac66de1da22d844364c1b0 [No types assigned]