---
cve: "CVE-2019-14835"
severity: "HIGH"
cvss: 7.2
epss: "63%"
vendor: "Linux kernel"
kev: false
exploited: false
published: "2019-09-17 15:09:37"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T09:26:45+02:00"
---

# CVE-2019-14835

> 7.2 HIGH · 🧪 PoC

## Beschreibung

A buffer overflow flaw was found, in versions from 2.6.34 to 5.2.x, in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host.

## CVSS-Vektor

```
CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
```

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

## Referenzen

- <https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14835>
- <https://www.openwall.com/lists/oss-security/2019/09/17/1>
- <https://usn.ubuntu.com/4135-2/>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQFY6JYFIQ2VFQ7QCSXPWTUL5ZDNCJL5/>
- <https://access.redhat.com/errata/RHSA-2019:2827>
- <https://access.redhat.com/errata/RHSA-2019:2828>
- <https://access.redhat.com/errata/RHSA-2019:2830>
- <https://access.redhat.com/errata/RHSA-2019:2829>
- <https://access.redhat.com/errata/RHSA-2019:2854>
- <https://access.redhat.com/errata/RHSA-2019:2862>
- <https://access.redhat.com/errata/RHSA-2019:2863>
- <https://access.redhat.com/errata/RHSA-2019:2866>
- <https://access.redhat.com/errata/RHSA-2019:2864>
- <https://access.redhat.com/errata/RHSA-2019:2865>
- <https://access.redhat.com/errata/RHSA-2019:2867>
- <https://access.redhat.com/errata/RHSA-2019:2869>
- <http://packetstormsecurity.com/files/154572/Kernel-Live-Patch-Security-Notice-LSN-0056-1.html>
- <http://www.openwall.com/lists/oss-security/2019/09/24/1>
- <http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html>
- <https://access.redhat.com/errata/RHSA-2019:2889>
- <http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html>
- <https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html>
- <https://seclists.org/bugtraq/2019/Sep/41>
- <https://www.debian.org/security/2019/dsa-4531>
- <https://access.redhat.com/errata/RHSA-2019:2900>
- <https://access.redhat.com/errata/RHSA-2019:2901>
- <https://access.redhat.com/errata/RHSA-2019:2899>
- <https://access.redhat.com/errata/RHSA-2019:2924>
- <https://usn.ubuntu.com/4135-1/>
- <https://lists.debian.org/debian-lts-announce/2019/10/msg00000.html>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YW3QNMPENPFEGVTOFPSNOBL7JEIJS25P/>
- <http://www.openwall.com/lists/oss-security/2019/10/03/1>
- <http://www.openwall.com/lists/oss-security/2019/10/09/3>
- <http://www.openwall.com/lists/oss-security/2019/10/09/7>
- <https://access.redhat.com/errata/RHBA-2019:2824>
- <http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html>
- <https://security.netapp.com/advisory/ntap-20191031-0005/>
- <https://seclists.org/bugtraq/2019/Nov/11>
- <http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html>
- <http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200115-01-qemu-en>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2019-14835) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_