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Unrated severityNVD Advisory· Published May 19, 2024· Updated Jan 5, 2026

smb: client: guarantee refcounted children from parent session

CVE-2024-35869

Description

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

smb: client: guarantee refcounted children from parent session

Avoid potential use-after-free bugs when walking DFS referrals, mounting and performing DFS failover by ensuring that all children from parent @tcon->ses are also refcounted. They're all needed across the entire DFS mount. Get rid of @tcon->dfs_ses_list while we're at it, too.

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Affected products

137

Patches

Vulnerability mechanics

References

3

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