---
cve: "CVE-2017-2618"
severity: "MEDIUM"
cvss: 5.5
epss: "46%"
vendor: "Linux"
kev: false
exploited: false
published: "2018-07-27 19:29:00"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T08:12:41+02:00"
---

# CVE-2017-2618

> 5.5 MEDIUM

## Beschreibung

A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.

## CVSS-Vektor

```
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 | Keine | good |
| I Integrität | Keine | good |
| A Verfügbarkeit | Hoch | bad |

## Referenzen

- <https://marc.info/?l=selinux&m=148588165923772&w=2>
- <https://www.debian.org/security/2017/dsa-3791>
- <https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2618>
- <https://access.redhat.com/errata/RHSA-2017:0932>
- <https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0c461cb727d146c9ef2d3e86214f498b78b7d125>
- <https://access.redhat.com/errata/RHSA-2017:0933>
- <https://access.redhat.com/errata/RHSA-2017:0931>
- <http://www.securityfocus.com/bid/96272>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2017-2618) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_