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Status published
Unknown
CVE-2025-68817
ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/446beed646b2e426dd53d27358365f8678e1dd01
- https://git.kernel.org/stable/c/d092de8a26c952379ded8e6b0bda31d89befac1a
- https://git.kernel.org/stable/c/d64977495e44855f2b28d8ce56107c963a7a50e4
- https://git.kernel.org/stable/c/21a3d01fc6db5129f81edb0ab7cb94fd758bcbea
- https://git.kernel.org/stable/c/063cbbc6f595ea36ad146e1b7d2af820894beb21
- https://git.kernel.org/stable/c/b39a1833cc4a2755b02603eec3a71a85e9dff926
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
dd45db4d9bbc8f122a9b4db5ce94ae29fcf03d3c, 7b58ee8d0b91359554cf219cd4f33872ea2afd66, 33b235a6e6ebe0f05f3586a71e8d281d00f71e2e, 5.15.145, 6.1.71, 6.6, 0, 5.15.199, 6.1.160, 6.6.120, 6.12.64, 6.18.3, 6.19
Timeline
Official Publish:
January 13th, 2026
Last Modified:
May 23rd, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.