CVE-2014-1950: Use After Free

Published Feb 14, 2014

Updated

Use-after-free vulnerability in the xccpupoolgetinfo function in Xen 4.1.x through 4.3.x, when using a multithreaded toolstack, does not properly handle a failure by the xccpumapalloc function, which allows local users with access to management functions to cause a denial of service (heap corruption) and possibly gain privileges via unspecified vectors.

Affected Software

12 affected components

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

Event History

Feb 14, 2014

CVE Published

via MITRE·03:00 PM

Data Sourced

via MITRE·03:00 PM

Description

Data Sourced

via NVD·03:55 PM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What is the severity of CVE-2014-1950?

CVE-2014-1950 has a high severity rating as it can lead to denial of service due to a use-after-free vulnerability.

How do I fix CVE-2014-1950?

Fixing CVE-2014-1950 involves upgrading to a patched version of Xen, specifically versions later than 4.3.x.

Which versions are affected by CVE-2014-1950?

CVE-2014-1950 affects Xen versions 4.1.1 through 4.3.x.

What type of vulnerability is CVE-2014-1950?

CVE-2014-1950 is classified as a use-after-free vulnerability.

Who can exploit CVE-2014-1950?

Local users with access to management functions can exploit CVE-2014-1950 to cause a denial of service.