medium
4.6
CWE
863
Advisory Published
Updated

CVE-2015-4106

First published: Wed Jun 03 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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
QEMU KVM<=2.3.1
Debian=7.0
Debian=8.0
Fedora=20
Fedora=21
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
XenServer=6.0
XenServer=6.0.2
XenServer=6.1.0
XenServer=6.2.0
XenServer=6.5
Ubuntu Linux=12.04
Ubuntu Linux=14.04
Ubuntu Linux=14.10
Ubuntu Linux=15.04

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Reference Links

Frequently Asked Questions

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

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