CVE-2015-4106: Medium severity qemu vulnerability

Published Jun 3, 2015
·
Updated

QEMU does not properly restrict write access to the PCI config space for certain PCI pass-through devices, which might allow local x86 HVM guests to gain privileges, cause a denial of service (host crash), obtain sensitive information, or possibly have other unspecified impact via unknown vectors.

Affected Software

23 affected components
Qemu Qemu<=2.3.1
Debian Debian Linux=7.0
Debian Debian Linux=8.0
Fedoraproject Fedora=20
Fedoraproject Fedora=21
Fedoraproject Fedora=22
SUSE Linux Enterprise Desktop=11-sp3
SUSE Linux Enterprise Desktop=12
SUSE Linux Enterprise Server=11-sp1
SUSE Linux Enterprise Server=11-sp2
SUSE Linux Enterprise Server=11-sp3
SUSE Linux Enterprise Server=12
SUSE Linux Enterprise Software Development Kit=11-sp3
SUSE Linux Enterprise Software Development Kit=12
Citrix XenServer=6.0
Citrix XenServer=6.0.2
Citrix XenServer=6.1.0
Citrix XenServer=6.2.0
Citrix XenServer=6.5
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=14.10
Canonical Ubuntu Linux=15.04

Event History

Jun 3, 2015
CVE Published
via MITRE·08:00 PM
Data Sourced
via MITRE·08:00 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2015-4106?

CVE-2015-4106 is considered a medium vulnerability that can allow local x86 HVM guests to gain privileges or cause denial of service to the host.

2

How do I fix CVE-2015-4106?

To fix CVE-2015-4106, upgrade to a patched version of QEMU that is above version 2.3.1 or apply available security patches from your operating system vendor.

3

What software is affected by CVE-2015-4106?

CVE-2015-4106 affects multiple software distributions including specific versions of QEMU, XenServer, Fedora, Debian, Ubuntu, and SUSE Linux.

4

What are the potential impacts of CVE-2015-4106?

The potential impacts of CVE-2015-4106 include privilege escalation, denial of service, and exposure of sensitive information within the affected systems.

5

Is there any workaround for CVE-2015-4106?

There are no official workarounds for CVE-2015-4106; the recommended action is to apply updates or patches as soon as they are available.

Contact

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