---
cve: "CVE-2022-36946"
severity: "HIGH"
cvss: 7.5
epss: "7.2%"
vendor: "n/a"
kev: false
exploited: false
published: "2022-07-27 20:15:08"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-19T07:23:32+02:00"
---

# CVE-2022-36946

> 7.5 HIGH

## Beschreibung

nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 | Keine | good |
| I Integrität | Keine | good |
| A Verfügbarkeit | Hoch | bad |

## Referenzen

- <https://marc.info/?l=netfilter-devel&m=165883202007292&w=2>
- <https://www.debian.org/security/2022/dsa-5207>
- <https://security.netapp.com/advisory/ntap-20220901-0007/>
- <https://lists.debian.org/debian-lts-announce/2022/09/msg00011.html>
- <https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html>
- <https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99a63d36cb3ed5ca3aa6fcb64cffbeaf3b0fb164>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-36946) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_