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CVE-2025-68817

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CVE-2025-68817

Published: Jan 13, 2026

Modified: May 23, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
dd45db4d9bbc8f122a9b4db5ce94ae29fcf03d3c - < 446beed646b2e426dd53d27358365f8678e1dd01
affected
7b58ee8d0b91359554cf219cd4f33872ea2afd66 - < d092de8a26c952379ded8e6b0bda31d89befac1a
affected
33b235a6e6ebe0f05f3586a71e8d281d00f71e2e - < d64977495e44855f2b28d8ce56107c963a7a50e4
affected
33b235a6e6ebe0f05f3586a71e8d281d00f71e2e - < 21a3d01fc6db5129f81edb0ab7cb94fd758bcbea
affected
33b235a6e6ebe0f05f3586a71e8d281d00f71e2e - < 063cbbc6f595ea36ad146e1b7d2af820894beb21

+3 more versions

Linux

Linux

affected
6.6
unaffected
0 - < 6.6
unaffected
5.15.199 - <= 5.15.*
unaffected
6.1.160 - <= 6.1.*
unaffected
6.6.120 - <= 6.6.*

+3 more versions

References

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