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CVE-2014-7155

nvd nist
Published: Oct 2, 2014Modified: May 6, 2026

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5.8
Vector
AV:A/AC:L/Au:N/C:P/I:P/A:P
Exploitability: 6.5 / Impact: 6.4
Source: 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.

Affected (43)

Products: Xen: Xen · Debian: Debian Linux · Fedoraproject: Fedora · +1 more
Show all products
Xen: Xen · Debian: Debian Linux · Fedoraproject: Fedora · Opensuse: Opensuse
Xen
1 product
Xen
Debian
1 product
Debian Linux
Fedoraproject
1 product
Fedora
Opensuse
1 product
Opensuse
Configuration A
38 vulnerable
Vulnerable SoftwareAffected Versions
Xen
Xen
Up to 4.4.0
Xen
Version 3.0.2
Xen
Version 3.0.3
Xen
Version 3.0.4
Xen
Version 3.1.3
Xen
Version 3.1.4
Xen
Version 3.2.0
Xen
Version 3.2.1
Xen
Version 3.2.2
Xen
Version 3.2.3
Xen
Version 3.3.0
Xen
Version 3.3.1
Xen
Version 3.3.2
Xen
Version 3.4.0
Xen
Version 3.4.1
Xen
Version 3.4.2
Xen
Version 3.4.3
Xen
Version 3.4.4
Xen
Version 4.0.0
Xen
Version 4.0.1
Xen
Version 4.0.2
Xen
Version 4.0.3
Xen
Version 4.0.4
Xen
Version 4.1.0
Xen
Version 4.1.1
Xen
Version 4.1.2
Xen
Version 4.1.3
Xen
Version 4.1.4
Xen
Version 4.1.5
Xen
Version 4.1.6.1
Xen
Version 4.2.0
Xen
Version 4.2.1
Xen
Version 4.2.2
Xen
Version 4.2.3
Xen
Version 4.3.0
Xen
Version 4.3.1
Xen
Version 4.4.0
Xen
Version 4.4.0 rc1
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 7.0
Configuration C
2 vulnerable
Vulnerable SoftwareAffected Versions
Fedoraproject
Fedora
Version 19
Fedora
Version 20
Configuration D
2 vulnerable
Vulnerable SoftwareAffected Versions
Opensuse
Opensuse
Version 12.3
Opensuse
Version 13.1

Related CWEs

CWE-264
CWE-264

References (24)

Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: cve@mitre.org
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory

Timeline

No history available yet.