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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2013-04-12T22:00:00

Updated: 2024-08-06T15:20:37.149Z

Reserved: 2013-02-19T00:00:00

Link: CVE-2013-1920

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2013-04-12T22:55:01.210

Modified: 2017-08-29T01:33:12.497

Link: CVE-2013-1920

cve-icon Redhat

Severity : Important

Publid Date: 2013-04-04T00:00:00Z

Links: CVE-2013-1920 - Bugzilla