---
cve: "CVE-2018-3646"
severity: "MEDIUM"
cvss: 5.6
epss: "8.1%"
vendor: "Intel Corporation"
kev: false
exploited: false
published: "2018-08-14 19:29:00"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-07T17:00:29+02:00"
---

# CVE-2018-3646

> 5.6 MEDIUM

## Beschreibung

Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a side-channel analysis.

## CVSS-Vektor

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

| 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 | Keine | good |
| A Verfügbarkeit | Keine | good |

## Referenzen

- <https://www.kb.cert.org/vuls/id/982149>
- <http://www.securitytracker.com/id/1041451>
- <https://security.gentoo.org/glsa/201810-06>
- <https://usn.ubuntu.com/3741-2/>
- <https://access.redhat.com/errata/RHSA-2018:2393>
- <https://usn.ubuntu.com/3823-1/>
- <https://access.redhat.com/errata/RHSA-2018:2389>
- <http://www.securitytracker.com/id/1042004>
- <https://access.redhat.com/errata/RHSA-2018:2390>
- <https://access.redhat.com/errata/RHSA-2018:2403>
- <http://www.securityfocus.com/bid/105080>
- <https://access.redhat.com/errata/RHSA-2018:2395>
- <https://access.redhat.com/errata/RHSA-2018:2384>
- <https://usn.ubuntu.com/3740-2/>
- <https://security.FreeBSD.org/advisories/FreeBSD-SA-18:09.l1tf.asc>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2018-3646) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_