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.
Published 2014-10-02 14:55:05
Updated 2018-10-30 16:26:54
Source MITRE
View at NVD,
Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2014-7156

Probability of exploitation activity in the next 30 days EPSS Score History
~ 26 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2014-7156

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen

CWE ids for CVE-2014-7156

  • Assigned by: (Primary)

References for CVE-2014-7156

Products affected by CVE-2014-7156

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