Critical severity9.8NVD Advisory· Published Jan 13, 2026· Updated Jul 30, 2026
CVE-2025-68817
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 6 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=5.15.145,<5.15.199
- cpe:2.3:o:linux:linux_kernel:6.6:-:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.6:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.6:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.6:rc7:*:*:*:*:*:*
- (no CPE)
- (no CPE)range: 6.6
Patches
Vulnerability mechanics
References
6- git.kernel.org/stable/c/063cbbc6f595ea36ad146e1b7d2af820894beb21nvdPatch
- git.kernel.org/stable/c/21a3d01fc6db5129f81edb0ab7cb94fd758bcbeanvdPatch
- git.kernel.org/stable/c/446beed646b2e426dd53d27358365f8678e1dd01nvdPatch
- git.kernel.org/stable/c/b39a1833cc4a2755b02603eec3a71a85e9dff926nvdPatch
- git.kernel.org/stable/c/d092de8a26c952379ded8e6b0bda31d89befac1anvdPatch
- git.kernel.org/stable/c/d64977495e44855f2b28d8ce56107c963a7a50e4nvdPatch
News mentions
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