---
cve: "CVE-2025-37899"
severity: "HIGH"
cvss: 8.8
epss: "1%"
vendor: "Linux"
kev: false
exploited: false
published: "2025-05-20 15:21:34"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-20T20:04:51+02:00"
---

# CVE-2025-37899

> 8.8 HIGH

## Beschreibung

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

ksmbd: fix use-after-free in session logoff

The sess->user object can currently be in use by another thread, for
example if another connection has sent a session setup request to
bind to the session being free'd. The handler for that connection could
be in the smb2_sess_setup function which makes use of sess->user.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- Kernel ≥ 6.1.159
- Kernel ≥ 6.6.119
- Kernel ≥ 6.12.28
- Kernel ≥ 6.14.6

## Referenzen

- <https://git.kernel.org/stable/c/931dc8a3670f71c45c0b1379ea4e92dafbda1aca>
- <https://git.kernel.org/stable/c/70ad6455139e26e85f48f95d0e21f351c1909342>
- <https://git.kernel.org/stable/c/d5ec1d79509b3ee01de02c236f096bc050221b7f>
- <https://git.kernel.org/stable/c/02d16046cd11a5c037b28c12ffb818c56dd3ef43>
- <https://git.kernel.org/stable/c/2fc9feff45d92a92cd5f96487655d5be23fb7e2b>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-37899) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_