Is CVE-2014-7155 being actively exploited?

CVE-2014-7155 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-7155?

CVE-2014-7155 has a CVSS 2.0 base score of 5.8 (MEDIUM).

CVE-2014-7155

MEDIUM · CVSS 5.8EPSS 1.0%EU EUVD

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.

Key facts

CVSS score: 5.8 (v2.0)
Severity: MEDIUM
CVSS vector: AV:A/AC:L/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-264
EPSS score: 1.0% (62th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-7032)
Published: October 2, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-7032 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

debian / debian linux
fedoraproject / fedora
fedoraproject / fedora
opensuse / opensuse
opensuse / opensuse
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen
xen / xen

References

http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html(Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html(Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html(Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html(Third Party Advisory)
http://secunia.com/advisories/61858
http://secunia.com/advisories/61890
http://security.gentoo.org/glsa/glsa-201412-42.xml
http://support.citrix.com/article/CTX200218(Third Party Advisory)
http://www.debian.org/security/2014/dsa-3041(Third Party Advisory)
http://www.securityfocus.com/bid/70057(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id/1030888(Third Party Advisory, VDB Entry)
http://xenbits.xen.org/xsa/advisory-105.html(Patch, Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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