---
cve: "CVE-2022-49362"
severity: "CRITICAL"
cvss: 9.8
epss: "63%"
vendor: "Linux"
kev: false
exploited: false
published: "2025-02-26 07:01:12"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-11T12:23:13+02:00"
---

# CVE-2022-49362

> 9.8 CRITICAL

## Beschreibung

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

NFSD: Fix potential use-after-free in nfsd_file_put()

nfsd_file_put_noref() can free @nf, so don't dereference @nf
immediately upon return from nfsd_file_put_noref().

## 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 |

## Patch verfügbar (OSV)

- Kernel ≥ 5.18.4

## Referenzen

- <https://git.kernel.org/stable/c/ada1757b259f353cade47037ee0a0249b4cddad3>
- <https://git.kernel.org/stable/c/261eabe19cb28e4a8587a4442d257b543d7c2d57>
- <https://git.kernel.org/stable/c/333dcc94ebf53f79f3dc0e7a7c16700bc7ff7e57>
- <https://git.kernel.org/stable/c/b6c71c66b0ad8f2b59d9bc08c7a5079b110bec01>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-49362) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_