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Cannot track users attempting to follow symlinks outside of a directory root #2573

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dwindsor opened this issue Jun 17, 2024 · 0 comments · May be fixed by #2574
Open

Cannot track users attempting to follow symlinks outside of a directory root #2573

dwindsor opened this issue Jun 17, 2024 · 0 comments · May be fixed by #2574

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@dwindsor
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In order to track attempts to follow symlinks outside of a directory root, we need to be able to extract the d_name.name member from struct dentry.

The LSM function used to track this behavior is security_inode_follow_link (available since 4.19):

int security_inode_follow_link(struct dentry *dentry, struct inode *inode, bool rcu);
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@dwindsor