CVE Vulnerabilities

CVE-2012-3516

Published: Nov 23, 2012 | Modified: Feb 01, 2013
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
6.9 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

The GNTTABOP_swap_grant_ref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service (host crash) and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hypervisor memory location.

Affected Software

Name Vendor Start Version End Version
Xenserver Citrix * 6.0.2
Xen Xen 4.2.0 4.2.0

References