Threats Tagged 'cve-2025-40328'
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Threats Tagged 'cve-2025-40328'
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A use-after-free vulnerability was identified and resolved in the Linux kernel SMB client code, specifically in the smb2_close_cached_fid() function. The issue involved a race condition where a new reference could be acquired after the reference count dropped to zero but before a lock was obtained, leading to potential use-after-free. The fix involved changing to kref_put_lock() to ensure the release function is called with the appropriate lock held, preventing this race condition. Join the discussion | GCVE Database | 12/09/2025, 18:30:35 UTC Added: 07/30/2026, 15:50:44 UTC |
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2_close_cached_fid() find_or_create_cached_dir() could grab a new reference after kref_put() had seen the refcount drop to zero but before cfid_list_lock is acquired in smb2_close_cached_fid(), leading to use-after-free. Switch to kref_put_lock() so cfid_release() is called with cfid_list_lock held, closing that gap. Join the discussion | GCVE Database | 12/09/2025, 16:17:00 UTC Added: 07/18/2026, 11:34:46 UTC |
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