---
cve: "CVE-2022-23085"
severity: "CRITICAL"
cvss: 9.8
epss: "49%"
vendor: "FreeBSD"
kev: false
exploited: false
published: "2024-02-15 05:15:09"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T20:08:07+02:00"
---

# CVE-2022-23085

> 9.8 CRITICAL

## Beschreibung

A user-provided integer option was passed to nmreq_copyin() without checking if it would overflow.  This insufficient bounds checking could lead to kernel memory corruption.

On systems configured to include netmap in their devfs_ruleset, a privileged process running in a jail can affect the host environment.

## CVSS-Vektor

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

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

## Referenzen

- <https://security.freebsd.org/advisories/FreeBSD-SA-22:04.netmap.asc>
- <https://security.netapp.com/advisory/ntap-20240322-0004/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-23085) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_