CWE Code: 264
Vulnerability Type: privilege_escalation
CVSS Score: 4.4
CWE Name:  Permissions Privileges and Access Controls
Summary: xen 4.2.x, 4.1.x, and earlier, when the hypervisor is running "under memory pressure" and the xen security module (xsm) is enabled, uses the wrong ordering of operations when extending the per-domain event channel tracking table, which causes a use-after-free and allows local guest kernels to inject arbitrary events and gain privileges via unspecified vectors.
Access Authentication: NONE
Access Complexity: MEDIUM
Access Vector: LOCAL
Impact (C/I/A): PARTIAL/PARTIAL/PARTIAL
Published Date: 2013-04-12
Last Modified Date: 2017-08-29