CVE-2025-68817

ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency

published January 13, 2026

CVSS
—
EPSS
0%
Percentile
37.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00448 · 37.9th percentile
Published
2026-01-13T15:29Z
EPSS history
Timeline
  • 13 JAN 15:29Z
    ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency
    cvelistv5