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
linux: linux kernel
References6
- git.kernel.org/stable/c/063cbbc6f595ea36ad146e1b7d2af820894beb21 Patch
- git.kernel.org/stable/c/21a3d01fc6db5129f81edb0ab7cb94fd758bcbea Patch
- git.kernel.org/stable/c/446beed646b2e426dd53d27358365f8678e1dd01 Patch
- git.kernel.org/stable/c/b39a1833cc4a2755b02603eec3a71a85e9dff926 Patch
- git.kernel.org/stable/c/d092de8a26c952379ded8e6b0bda31d89befac1a Patch
- git.kernel.org/stable/c/d64977495e44855f2b28d8ce56107c963a7a50e4 Patch
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 39 · as of 12 November 2026
- CWE
- CWE-416
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.