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CVE-2025-37900

iommu: Fix two issues in iommu_copy_struct_from_user() PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: iommu: Fix two issues in iommu_copy_struct_from_user() In the review for iommu_copy_struct_to_user() helper, Matt pointed out that a NULL pointer should be rejected prior to dereferencing it: https://lore.kernel.org/all/86881827-8E2D-461C-BDA3-FA8FD14C343C@nvidia.com And Alok pointed out a typo at the same time: https://lore.kernel.org/all/480536af-6830-43ce-a327-adbd13dc3f1d@oracle.com Since both issues were copied from iommu_copy_struct_from_user(), fix them first in the current header.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected e9d36c07bb787840e4813fb09a929a17d522a69f before 2e303d010722787dc84d94f68d70fe10dfc1b9ea; affected e9d36c07bb787840e4813fb09a929a17d522a69f before 967d6f0d9a20a1bf15ee7ed881e2d4e532e22709; affected e9d36c07bb787840e4813fb09a929a17d522a69f before 30a3f2f3e4bd6335b727c83c08a982d969752bc1
Linux / Linuxaffected 6.7; unaffected 0 before 6.7; unaffected 6.12.28 through 6.12.*; unaffected 6.14.6 through 6.14.*; unaffected 6.15 through *

CWE

No CWE identifiers supplied.

References