Certain MMU virtualization operations in Xen 4.2.x through 4.4.x, when using shadow pagetables, are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5146.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2014-08-22T14:00:00

Updated: 2024-08-06T11:34:37.436Z

Reserved: 2014-07-30T00:00:00

Link: CVE-2014-5149

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2014-08-22T14:55:08.343

Modified: 2024-11-21T02:11:30.587

Link: CVE-2014-5149

cve-icon Redhat

Severity : Moderate

Publid Date: 2014-08-12T00:00:00Z

Links: CVE-2014-5149 - Bugzilla