CVE-2025-38561

ksmbd: fix Preauh_HashValue race condition

High · published August 19, 2025

CVSS v3.1
8.5
EPSS
0%
Percentile
38.1
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix Preauh_HashValue race condition

If client send multiple session setup requests to ksmbd,

Preauh_HashValue race condition could happen.

There is no need to free sess->Preauh_HashValue at session setup phase.

It can be freed together with session at connection termination phase.

The record
Technical detail
CVSS v3.1
8.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00450 · 38.1th percentile
Published
2025-08-19T17:02Z
EPSS history
Timeline
  • 19 AUG 17:02Z
    ksmbd: fix Preauh_HashValue race condition
    cvelistv5