CVE-2025-68817

high

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.

References

https://git.kernel.org/stable/c/d64977495e44855f2b28d8ce56107c963a7a50e4

https://git.kernel.org/stable/c/d092de8a26c952379ded8e6b0bda31d89befac1a

https://git.kernel.org/stable/c/b39a1833cc4a2755b02603eec3a71a85e9dff926

https://git.kernel.org/stable/c/21a3d01fc6db5129f81edb0ab7cb94fd758bcbea

https://git.kernel.org/stable/c/063cbbc6f595ea36ad146e1b7d2af820894beb21

Details

Source: Mitre, NVD

Published: 2026-01-13

Updated: 2026-01-14

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.1

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Severity: High

EPSS

EPSS: 0.00018