CVE-2024-50101 Information

Description

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.

Reference

https://git.kernel.org/stable/c/0bd9a30c22afb5da203386b811ec31429d2caa78 https://git.kernel.org/stable/c/cbfa3a83eba05240ce37839ed48280a05e8e8f6c https://git.kernel.org/stable/c/fe2e0b6cd00abea3efac66de1da22d844364c1b0 https://git.kernel.org/stable/c/04d6826ba7ba81213422276e96c90c6565169e1c https://git.kernel.org/stable/c/6e02a277f1db24fa039e23783c8921c7b0e5b1b3