The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2014-10-02T14:00:00

Updated: 2024-08-06T12:40:19.058Z

Reserved: 2014-09-24T00:00:00

Link: CVE-2014-7156

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2014-10-02T14:55:05.167

Modified: 2018-10-30T16:26:53.700

Link: CVE-2014-7156

cve-icon Redhat

Severity : Moderate

Publid Date: 2014-09-23T00:00:00Z

Links: CVE-2014-7156 - Bugzilla