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Case File

CVE-2014-7155

MEDIUM · CVSS 5.8 EPSS 0.97%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2014-10-02 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.8. It may lead to a denial-of-service condition.

CVE
CVE-2014-7155
Severity
MEDIUM
CVSS
5.8
EPSS
0.97%

Original NVD Description

The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction.