CVE-2014-5147: Medium severity xen xapi vulnerability

Published Aug 29, 2014

Updated

Xen 4.4.x, when running a 64-bit kernel on an ARM system, does not properly handle traps from the guest domain that use a different address width, which allows local guest users to cause a denial of service (host crash) via a crafted 32-bit process.

Affected Software

2 affected components

XEN Xen=4.4.0

XEN Xen=4.4.0-rc1

Remediation

Patch Available

http://xenbits.xen.org/xsa/advisory-102.html

Event History

Aug 29, 2014

CVE Published

04:55 PM

CVE Published

via MITRE·05:00 PM

Data Sourced

via MITRE·05:00 PM

Description

Frequently Asked Questions

What is the severity of CVE-2014-5147?

CVE-2014-5147 has a moderate severity level due to its potential to cause a denial of service by crashing the host system.

How do I fix CVE-2014-5147?

To fix CVE-2014-5147, upgrade to Xen version 4.4.1 or later where the vulnerability has been addressed.

Who is affected by CVE-2014-5147?

CVE-2014-5147 affects users running Xen 4.4.0 and 4.4.0-rc1 with a 64-bit kernel on ARM systems.

What impact does CVE-2014-5147 have on my system?

CVE-2014-5147 can allow local guest users to crash the host system, leading to a denial of service.

Is there a workaround for CVE-2014-5147?

Currently, the recommended action for CVE-2014-5147 is to apply the available patches or upgrade Xen to a secure version.