---
cve: "CVE-2021-3600"
severity: "HIGH"
cvss: 7.8
epss: "28%"
vendor: "The Linux Kernel Organization"
kev: false
exploited: false
published: "2024-01-08 19:15:08"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-19T03:16:19+02:00"
---

# CVE-2021-3600

> 7.8 HIGH

## Beschreibung

It was discovered that the eBPF implementation in the Linux kernel did not properly track bounds information for 32 bit registers when performing div and mod operations. A local attacker could use this to possibly execute arbitrary code.

## CVSS-Vektor

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

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

## Referenzen

- <https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3600>
- <https://ubuntu.com/security/notices/USN-5003-1>
- <https://git.kernel.org/linus/e88b2c6e5a4d9ce30d75391e4d950da74bb2bd90>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-3600) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_