CVE-2014-8866: Medium severity debian linux vulnerability

Published Dec 1, 2014
·
Updated

The compatibility mode hypercall argument translation in Xen 3.3.x through 4.4.x, when running on a 64-bit hypervisor, allows local 32-bit HVM guests to cause a denial of service (host crash) via vectors involving altering the high halves of registers while in 64-bit mode.

Affected Software

31 affected components
Debian Debian Linux=7.0
XEN Xen=3.3.0
XEN Xen=3.3.1
XEN Xen=3.3.2
XEN Xen=3.4.0
XEN Xen=3.4.1
XEN Xen=3.4.2
XEN Xen=3.4.3
XEN Xen=3.4.4
XEN Xen=4.0.0
XEN Xen=4.0.1
XEN Xen=4.0.2
XEN Xen=4.0.3
XEN Xen=4.0.4
XEN Xen=4.1.0
XEN Xen=4.1.1
XEN Xen=4.1.2
XEN Xen=4.1.3
XEN Xen=4.1.4
XEN Xen=4.1.5
XEN Xen=4.1.6.1
XEN Xen=4.2.0
XEN Xen=4.2.1
XEN Xen=4.2.2
XEN Xen=4.2.3
XEN Xen=4.3.0
XEN Xen=4.3.1
XEN Xen=4.4.0
XEN Xen=4.4.0-rc1
openSUSE openSUSE=13.1
openSUSE openSUSE=13.2

Event History

Dec 1, 2014
CVE Published
via MITRE·03:00 PM
Data Sourced
via MITRE·03:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2014-8866?

CVE-2014-8866 has a severity level that can lead to a denial of service condition.

2

How do I fix CVE-2014-8866?

To fix CVE-2014-8866, upgrade to the latest version of Xen that addresses this vulnerability.

3

Which versions of Xen are affected by CVE-2014-8866?

CVE-2014-8866 affects Xen versions from 3.3.x to 4.4.x on a 64-bit hypervisor.

4

Can CVE-2014-8866 affect my 32-bit HVM guests?

Yes, CVE-2014-8866 specifically allows local 32-bit HVM guests to exploit the vulnerability.

5

What type of attack can CVE-2014-8866 enable?

CVE-2014-8866 can enable attacks that lead to host crashes, causing service interruptions.

Contact

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