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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Description
Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice.
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
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Vulnerabilidad de uso después de liberación en la memoria en QEMU en Xen 4.5.x y versiones anteriores, no desconecta completamente los dispositivos de bloque emulados, lo que permite a usuarios invitados HVM locales obtener privilegios desconectando un dispositivo de bloque dos veces.
Removed
Translation
Vulnerabilidad de uso después de liberación en la memoria en QEMU en Xen 4.5.x y versiones anteriores no desconecta del todo dispositivos de bloque emulados, lo que permite a usuarios HVM invitados obtener privilegios desconectando un dispositivo de bloque dos veces.
CVE Modified by Red Hat, Inc.8/17/2015 10:02:19 PM
Action
Type
Old Value
New Value
Added
Reference
http://www.securitytracker.com/id/1033175
Modified Analysis by NIST8/12/2015 7:52:18 PM
Action
Type
Old Value
New Value
Added
CVSS V2
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Added
CWE
CWE-264
Added
CPE Configuration
Configuration 1
OR
*cpe:2.3:a:xen:xen:4.5.0:*:*:*:*:*:*:* (and previous)
*cpe:2.3:a:xen:xen:4.5.1:*:*:*:*:*:*:*
Changed
Reference Type
http://xenbits.xen.org/xsa/advisory-139.html No Types Assigned