---
cve: "CVE-2022-0492"
severity: "HIGH"
cvss: 7.8
epss: "5.5%"
vendor: "n/a"
kev: true
exploited: true
published: "2022-03-03 19:15:08"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-11T00:37:04+02:00"
---

# CVE-2022-0492

> 7.8 HIGH · ⚠️ CISA KEV (101 Tage) · 🔓 Exploited · 🧪 PoC

## Beschreibung

A vulnerability was found in the Linux kernel’s cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation unexpectedly.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| 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 |

## Referenzen

- <https://bugzilla.redhat.com/show_bug.cgi?id=2051505>
- <https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=24f6008564183aa120d07c03d9289519c2fe02af>
- <https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html>
- <https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html>
- <https://www.debian.org/security/2022/dsa-5095>
- <https://www.debian.org/security/2022/dsa-5096>
- <http://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.html>
- <https://security.netapp.com/advisory/ntap-20220419-0002/>
- <http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html>
- <http://packetstormsecurity.com/files/176099/Docker-cgroups-Container-Escape.html>
- <https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-0492>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-0492) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_