---
cve: "CVE-2018-12126"
severity: "MEDIUM"
cvss: 5.6
epss: "1.5%"
vendor: "Intel Corporation"
kev: false
exploited: false
published: "2019-05-30 16:29:00"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-07T16:18:40+02:00"
---

# CVE-2018-12126

> 5.6 MEDIUM · 🧪 PoC

## Beschreibung

Microarchitectural Store Buffer Data Sampling (MSBDS): Store buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf

## 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.intel.com/content/www/us/en/security-center/advisory/intel-sa-00233.html>
- <https://www.synology.com/security/advisory/Synology_SA_19_24>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OH73SGTJ575OBCPSJFX6LX7KP2KZIEN4/>
- <http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00014.html>
- <https://access.redhat.com/errata/RHSA-2019:1455>
- <https://usn.ubuntu.com/3977-3/>
- <https://lists.debian.org/debian-lts-announce/2019/06/msg00018.html>
- <https://seclists.org/bugtraq/2019/Jun/28>
- <https://seclists.org/bugtraq/2019/Jun/36>
- <http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2019-003.txt>
- <https://cert-portal.siemens.com/productcert/pdf/ssa-616472.pdf>
- <http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190712-01-mds-en>
- <http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00053.html>
- <http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00052.html>
- <https://www.freebsd.org/security/advisories/FreeBSD-SA-19:07.mds.asc>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2018-12126) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_