Unrated severityNVD Advisory· Published Jan 13, 2026· Updated Feb 9, 2026
ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency
CVE-2025-68817
Description
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency
Under high concurrency, A tree-connection object (tcon) is freed on a disconnect path while another path still holds a reference and later executes *_put()/write on it.
Affected products
2- Linux/Linuxv5Range: 6.6
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- git.kernel.org/stable/c/063cbbc6f595ea36ad146e1b7d2af820894beb21mitre
- git.kernel.org/stable/c/21a3d01fc6db5129f81edb0ab7cb94fd758bcbeamitre
- git.kernel.org/stable/c/446beed646b2e426dd53d27358365f8678e1dd01mitre
- git.kernel.org/stable/c/b39a1833cc4a2755b02603eec3a71a85e9dff926mitre
- git.kernel.org/stable/c/d092de8a26c952379ded8e6b0bda31d89befac1amitre
- git.kernel.org/stable/c/d64977495e44855f2b28d8ce56107c963a7a50e4mitre
News mentions
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